From a7cc927e7b18a16f6bd3e35044dedbe4922fffa7 Mon Sep 17 00:00:00 2001
From: Yoshi Automation Bot <yoshi-automation@google.com>
Date: Mon, 14 Jun 2021 09:28:03 -0700
Subject: [PATCH] feat: Add/Update API definitions for Cloud Channel API (#112)

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PiperOrigin-RevId: 378177991
Source-Link: https://github.com/googleapis/googleapis/commit/97d42c651f42bc3173b39ac8a9f97ea1d6b1196c

feat: Update descriptions of APIs
feat: Add additional_bindings to HTTP annotations of Customer related APIs (list/create/get/update/delete)
feat: Add a new LookupOffer RPC and LookupOfferRequest proto
feat: Add a new enum value LICENSE_CAP_CHANGED to enum EntitlementEvent.Type
---
 .../channel/v1/CloudChannelServiceClient.java |  95 ++-
 .../v1/CloudChannelServiceSettings.java       |  10 +
 .../cloud/channel/v1/gapic_metadata.json      |   3 +
 .../v1/stub/CloudChannelServiceStub.java      |   6 +
 .../stub/CloudChannelServiceStubSettings.java |  23 +
 .../v1/stub/GrpcCloudChannelServiceStub.java  |  32 +
 .../v1/CloudChannelServiceClientTest.java     |  54 ++
 .../v1/MockCloudChannelServiceImpl.java       |  20 +
 .../channel/v1/CloudChannelServiceGrpc.java   | 183 ++++-
 .../google/cloud/channel/v1/ContactInfo.java  | 133 ++--
 .../channel/v1/ContactInfoOrBuilder.java      |  38 +-
 .../com/google/cloud/channel/v1/Customer.java | 282 ++++----
 .../cloud/channel/v1/CustomerOrBuilder.java   |  75 +-
 .../cloud/channel/v1/EntitlementEvent.java    |  22 +
 .../cloud/channel/v1/LookupOfferRequest.java  | 662 ++++++++++++++++++
 .../v1/LookupOfferRequestOrBuilder.java       |  58 ++
 .../google/cloud/channel/v1/ServiceProto.java | 528 +++++++-------
 .../channel/v1/SubscriberEventProto.java      |  21 +-
 .../google/cloud/channel/v1/customers.proto   |  50 +-
 .../google/cloud/channel/v1/service.proto     |  54 +-
 .../cloud/channel/v1/subscriber_event.proto   |   3 +
 synth.metadata                                |   8 +-
 22 files changed, 1742 insertions(+), 618 deletions(-)
 create mode 100644 proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequest.java
 create mode 100644 proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequestOrBuilder.java

diff --git a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceClient.java b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceClient.java
index ad720298..0df21eb4 100644
--- a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceClient.java
+++ b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceClient.java
@@ -306,7 +306,7 @@ public final UnaryCallable<ListCustomersRequest, ListCustomersResponse> listCust
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+   * Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
    *
    * <p>Possible error codes:
    *
@@ -341,7 +341,7 @@ public final Customer getCustomer(CustomerName name) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+   * Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
    *
    * <p>Possible error codes:
    *
@@ -375,7 +375,7 @@ public final Customer getCustomer(String name) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+   * Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
    *
    * <p>Possible error codes:
    *
@@ -410,7 +410,7 @@ public final Customer getCustomer(GetCustomerRequest request) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+   * Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
    *
    * <p>Possible error codes:
    *
@@ -679,7 +679,7 @@ public final UnaryCallable<UpdateCustomerRequest, Customer> updateCustomerCallab
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+   * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
    *
    * <p>Possible error codes:
    *
@@ -711,7 +711,7 @@ public final void deleteCustomer(CustomerName name) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+   * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
    *
    * <p>Possible error codes:
    *
@@ -742,7 +742,7 @@ public final void deleteCustomer(String name) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+   * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
    *
    * <p>Possible error codes:
    *
@@ -775,7 +775,7 @@ public final void deleteCustomer(DeleteCustomerRequest request) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+   * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
    *
    * <p>Possible error codes:
    *
@@ -1361,7 +1361,7 @@ public final ListTransferableOffersPagedResponse listTransferableOffers(
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Returns a requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
+   * Returns the requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
    *
    * <p>Possible error codes:
    *
@@ -1394,7 +1394,7 @@ public final Entitlement getEntitlement(GetEntitlementRequest request) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Returns a requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
+   * Returns the requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
    *
    * <p>Possible error codes:
    *
@@ -3064,8 +3064,8 @@ public final ListChannelPartnerLinksPagedResponse listChannelPartnerLinks(
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Returns a requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
-   * You must be a distributor to call this method.
+   * Returns the requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink]
+   * resource. You must be a distributor to call this method.
    *
    * <p>Possible error codes:
    *
@@ -3101,8 +3101,8 @@ public final ChannelPartnerLink getChannelPartnerLink(GetChannelPartnerLinkReque
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Returns a requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
-   * You must be a distributor to call this method.
+   * Returns the requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink]
+   * resource. You must be a distributor to call this method.
    *
    * <p>Possible error codes:
    *
@@ -3317,6 +3317,73 @@ public final ChannelPartnerLink updateChannelPartnerLink(
     return stub.updateChannelPartnerLinkCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Returns the requested [Offer][google.cloud.channel.v1.Offer] resource.
+   *
+   * <p>Possible error codes:
+   *
+   * <ul>
+   *   <li>PERMISSION_DENIED: The entitlement doesn't belong to the reseller.
+   *   <li>INVALID_ARGUMENT: Required request parameters are missing or invalid.
+   *   <li>NOT_FOUND: Entitlement or offer was not found.
+   * </ul>
+   *
+   * <p>Return value: The [Offer][google.cloud.channel.v1.Offer] resource.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudChannelServiceClient cloudChannelServiceClient = CloudChannelServiceClient.create()) {
+   *   LookupOfferRequest request =
+   *       LookupOfferRequest.newBuilder()
+   *           .setEntitlement(
+   *               EntitlementName.of("[ACCOUNT]", "[CUSTOMER]", "[ENTITLEMENT]").toString())
+   *           .build();
+   *   Offer response = cloudChannelServiceClient.lookupOffer(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Offer lookupOffer(LookupOfferRequest request) {
+    return lookupOfferCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Returns the requested [Offer][google.cloud.channel.v1.Offer] resource.
+   *
+   * <p>Possible error codes:
+   *
+   * <ul>
+   *   <li>PERMISSION_DENIED: The entitlement doesn't belong to the reseller.
+   *   <li>INVALID_ARGUMENT: Required request parameters are missing or invalid.
+   *   <li>NOT_FOUND: Entitlement or offer was not found.
+   * </ul>
+   *
+   * <p>Return value: The [Offer][google.cloud.channel.v1.Offer] resource.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudChannelServiceClient cloudChannelServiceClient = CloudChannelServiceClient.create()) {
+   *   LookupOfferRequest request =
+   *       LookupOfferRequest.newBuilder()
+   *           .setEntitlement(
+   *               EntitlementName.of("[ACCOUNT]", "[CUSTOMER]", "[ENTITLEMENT]").toString())
+   *           .build();
+   *   ApiFuture<Offer> future = cloudChannelServiceClient.lookupOfferCallable().futureCall(request);
+   *   // Do something.
+   *   Offer response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<LookupOfferRequest, Offer> lookupOfferCallable() {
+    return stub.lookupOfferCallable();
+  }
+
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Lists the Products the reseller is authorized to sell.
diff --git a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceSettings.java b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceSettings.java
index 31005785..c7312a96 100644
--- a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceSettings.java
+++ b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceSettings.java
@@ -310,6 +310,11 @@ public UnaryCallSettings<TransferEntitlementsRequest, Operation> transferEntitle
     return ((CloudChannelServiceStubSettings) getStubSettings()).updateChannelPartnerLinkSettings();
   }
 
+  /** Returns the object with the settings used for calls to lookupOffer. */
+  public UnaryCallSettings<LookupOfferRequest, Offer> lookupOfferSettings() {
+    return ((CloudChannelServiceStubSettings) getStubSettings()).lookupOfferSettings();
+  }
+
   /** Returns the object with the settings used for calls to listProducts. */
   public PagedCallSettings<ListProductsRequest, ListProductsResponse, ListProductsPagedResponse>
       listProductsSettings() {
@@ -686,6 +691,11 @@ public UnaryCallSettings.Builder<ChangeOfferRequest, Operation> changeOfferSetti
       return getStubSettingsBuilder().updateChannelPartnerLinkSettings();
     }
 
+    /** Returns the builder for the settings used for calls to lookupOffer. */
+    public UnaryCallSettings.Builder<LookupOfferRequest, Offer> lookupOfferSettings() {
+      return getStubSettingsBuilder().lookupOfferSettings();
+    }
+
     /** Returns the builder for the settings used for calls to listProducts. */
     public PagedCallSettings.Builder<
             ListProductsRequest, ListProductsResponse, ListProductsPagedResponse>
diff --git a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/gapic_metadata.json b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/gapic_metadata.json
index 40f970c3..e7b29970 100644
--- a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/gapic_metadata.json
+++ b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/gapic_metadata.json
@@ -82,6 +82,9 @@
             "ListTransferableSkus": {
               "methods": ["listTransferableSkus", "listTransferableSkusPagedCallable", "listTransferableSkusCallable"]
             },
+            "LookupOffer": {
+              "methods": ["lookupOffer", "lookupOfferCallable"]
+            },
             "ProvisionCloudIdentity": {
               "methods": ["provisionCloudIdentityAsync", "provisionCloudIdentityOperationCallable", "provisionCloudIdentityCallable"]
             },
diff --git a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/CloudChannelServiceStub.java b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/CloudChannelServiceStub.java
index 92762b6f..a6108b0a 100644
--- a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/CloudChannelServiceStub.java
+++ b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/CloudChannelServiceStub.java
@@ -70,6 +70,8 @@
 import com.google.cloud.channel.v1.ListTransferableOffersResponse;
 import com.google.cloud.channel.v1.ListTransferableSkusRequest;
 import com.google.cloud.channel.v1.ListTransferableSkusResponse;
+import com.google.cloud.channel.v1.LookupOfferRequest;
+import com.google.cloud.channel.v1.Offer;
 import com.google.cloud.channel.v1.OperationMetadata;
 import com.google.cloud.channel.v1.ProvisionCloudIdentityRequest;
 import com.google.cloud.channel.v1.RegisterSubscriberRequest;
@@ -304,6 +306,10 @@ public UnaryCallable<TransferEntitlementsRequest, Operation> transferEntitlement
     throw new UnsupportedOperationException("Not implemented: updateChannelPartnerLinkCallable()");
   }
 
+  public UnaryCallable<LookupOfferRequest, Offer> lookupOfferCallable() {
+    throw new UnsupportedOperationException("Not implemented: lookupOfferCallable()");
+  }
+
   public UnaryCallable<ListProductsRequest, ListProductsPagedResponse> listProductsPagedCallable() {
     throw new UnsupportedOperationException("Not implemented: listProductsPagedCallable()");
   }
diff --git a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/CloudChannelServiceStubSettings.java b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/CloudChannelServiceStubSettings.java
index 72b73ded..fdd0448d 100644
--- a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/CloudChannelServiceStubSettings.java
+++ b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/CloudChannelServiceStubSettings.java
@@ -93,6 +93,7 @@
 import com.google.cloud.channel.v1.ListTransferableOffersResponse;
 import com.google.cloud.channel.v1.ListTransferableSkusRequest;
 import com.google.cloud.channel.v1.ListTransferableSkusResponse;
+import com.google.cloud.channel.v1.LookupOfferRequest;
 import com.google.cloud.channel.v1.Offer;
 import com.google.cloud.channel.v1.OperationMetadata;
 import com.google.cloud.channel.v1.Product;
@@ -237,6 +238,7 @@ public class CloudChannelServiceStubSettings extends StubSettings<CloudChannelSe
       createChannelPartnerLinkSettings;
   private final UnaryCallSettings<UpdateChannelPartnerLinkRequest, ChannelPartnerLink>
       updateChannelPartnerLinkSettings;
+  private final UnaryCallSettings<LookupOfferRequest, Offer> lookupOfferSettings;
   private final PagedCallSettings<
           ListProductsRequest, ListProductsResponse, ListProductsPagedResponse>
       listProductsSettings;
@@ -1133,6 +1135,11 @@ public UnaryCallSettings<TransferEntitlementsRequest, Operation> transferEntitle
     return updateChannelPartnerLinkSettings;
   }
 
+  /** Returns the object with the settings used for calls to lookupOffer. */
+  public UnaryCallSettings<LookupOfferRequest, Offer> lookupOfferSettings() {
+    return lookupOfferSettings;
+  }
+
   /** Returns the object with the settings used for calls to listProducts. */
   public PagedCallSettings<ListProductsRequest, ListProductsResponse, ListProductsPagedResponse>
       listProductsSettings() {
@@ -1301,6 +1308,7 @@ protected CloudChannelServiceStubSettings(Builder settingsBuilder) throws IOExce
     getChannelPartnerLinkSettings = settingsBuilder.getChannelPartnerLinkSettings().build();
     createChannelPartnerLinkSettings = settingsBuilder.createChannelPartnerLinkSettings().build();
     updateChannelPartnerLinkSettings = settingsBuilder.updateChannelPartnerLinkSettings().build();
+    lookupOfferSettings = settingsBuilder.lookupOfferSettings().build();
     listProductsSettings = settingsBuilder.listProductsSettings().build();
     listSkusSettings = settingsBuilder.listSkusSettings().build();
     listOffersSettings = settingsBuilder.listOffersSettings().build();
@@ -1403,6 +1411,7 @@ public static class Builder
         createChannelPartnerLinkSettings;
     private final UnaryCallSettings.Builder<UpdateChannelPartnerLinkRequest, ChannelPartnerLink>
         updateChannelPartnerLinkSettings;
+    private final UnaryCallSettings.Builder<LookupOfferRequest, Offer> lookupOfferSettings;
     private final PagedCallSettings.Builder<
             ListProductsRequest, ListProductsResponse, ListProductsPagedResponse>
         listProductsSettings;
@@ -1517,6 +1526,7 @@ protected Builder(ClientContext clientContext) {
       getChannelPartnerLinkSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       createChannelPartnerLinkSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       updateChannelPartnerLinkSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      lookupOfferSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       listProductsSettings = PagedCallSettings.newBuilder(LIST_PRODUCTS_PAGE_STR_FACT);
       listSkusSettings = PagedCallSettings.newBuilder(LIST_SKUS_PAGE_STR_FACT);
       listOffersSettings = PagedCallSettings.newBuilder(LIST_OFFERS_PAGE_STR_FACT);
@@ -1555,6 +1565,7 @@ protected Builder(ClientContext clientContext) {
               getChannelPartnerLinkSettings,
               createChannelPartnerLinkSettings,
               updateChannelPartnerLinkSettings,
+              lookupOfferSettings,
               listProductsSettings,
               listSkusSettings,
               listOffersSettings,
@@ -1613,6 +1624,7 @@ protected Builder(CloudChannelServiceStubSettings settings) {
       getChannelPartnerLinkSettings = settings.getChannelPartnerLinkSettings.toBuilder();
       createChannelPartnerLinkSettings = settings.createChannelPartnerLinkSettings.toBuilder();
       updateChannelPartnerLinkSettings = settings.updateChannelPartnerLinkSettings.toBuilder();
+      lookupOfferSettings = settings.lookupOfferSettings.toBuilder();
       listProductsSettings = settings.listProductsSettings.toBuilder();
       listSkusSettings = settings.listSkusSettings.toBuilder();
       listOffersSettings = settings.listOffersSettings.toBuilder();
@@ -1649,6 +1661,7 @@ protected Builder(CloudChannelServiceStubSettings settings) {
               getChannelPartnerLinkSettings,
               createChannelPartnerLinkSettings,
               updateChannelPartnerLinkSettings,
+              lookupOfferSettings,
               listProductsSettings,
               listSkusSettings,
               listOffersSettings,
@@ -1796,6 +1809,11 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
 
+      builder
+          .lookupOfferSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
       builder
           .listProductsSettings()
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
@@ -2367,6 +2385,11 @@ public UnaryCallSettings.Builder<ChangeOfferRequest, Operation> changeOfferSetti
       return updateChannelPartnerLinkSettings;
     }
 
+    /** Returns the builder for the settings used for calls to lookupOffer. */
+    public UnaryCallSettings.Builder<LookupOfferRequest, Offer> lookupOfferSettings() {
+      return lookupOfferSettings;
+    }
+
     /** Returns the builder for the settings used for calls to listProducts. */
     public PagedCallSettings.Builder<
             ListProductsRequest, ListProductsResponse, ListProductsPagedResponse>
diff --git a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/GrpcCloudChannelServiceStub.java b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/GrpcCloudChannelServiceStub.java
index 1e255c4f..6507936e 100644
--- a/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/GrpcCloudChannelServiceStub.java
+++ b/google-cloud-channel/src/main/java/com/google/cloud/channel/v1/stub/GrpcCloudChannelServiceStub.java
@@ -75,6 +75,8 @@
 import com.google.cloud.channel.v1.ListTransferableOffersResponse;
 import com.google.cloud.channel.v1.ListTransferableSkusRequest;
 import com.google.cloud.channel.v1.ListTransferableSkusResponse;
+import com.google.cloud.channel.v1.LookupOfferRequest;
+import com.google.cloud.channel.v1.Offer;
 import com.google.cloud.channel.v1.OperationMetadata;
 import com.google.cloud.channel.v1.ProvisionCloudIdentityRequest;
 import com.google.cloud.channel.v1.RegisterSubscriberRequest;
@@ -377,6 +379,14 @@ public class GrpcCloudChannelServiceStub extends CloudChannelServiceStub {
               .setResponseMarshaller(ProtoUtils.marshaller(ChannelPartnerLink.getDefaultInstance()))
               .build();
 
+  private static final MethodDescriptor<LookupOfferRequest, Offer> lookupOfferMethodDescriptor =
+      MethodDescriptor.<LookupOfferRequest, Offer>newBuilder()
+          .setType(MethodDescriptor.MethodType.UNARY)
+          .setFullMethodName("google.cloud.channel.v1.CloudChannelService/LookupOffer")
+          .setRequestMarshaller(ProtoUtils.marshaller(LookupOfferRequest.getDefaultInstance()))
+          .setResponseMarshaller(ProtoUtils.marshaller(Offer.getDefaultInstance()))
+          .build();
+
   private static final MethodDescriptor<ListProductsRequest, ListProductsResponse>
       listProductsMethodDescriptor =
           MethodDescriptor.<ListProductsRequest, ListProductsResponse>newBuilder()
@@ -531,6 +541,7 @@ public class GrpcCloudChannelServiceStub extends CloudChannelServiceStub {
       createChannelPartnerLinkCallable;
   private final UnaryCallable<UpdateChannelPartnerLinkRequest, ChannelPartnerLink>
       updateChannelPartnerLinkCallable;
+  private final UnaryCallable<LookupOfferRequest, Offer> lookupOfferCallable;
   private final UnaryCallable<ListProductsRequest, ListProductsResponse> listProductsCallable;
   private final UnaryCallable<ListProductsRequest, ListProductsPagedResponse>
       listProductsPagedCallable;
@@ -942,6 +953,19 @@ public Map<String, String> extract(UpdateChannelPartnerLinkRequest request) {
                       }
                     })
                 .build();
+    GrpcCallSettings<LookupOfferRequest, Offer> lookupOfferTransportSettings =
+        GrpcCallSettings.<LookupOfferRequest, Offer>newBuilder()
+            .setMethodDescriptor(lookupOfferMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<LookupOfferRequest>() {
+                  @Override
+                  public Map<String, String> extract(LookupOfferRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("entitlement", String.valueOf(request.getEntitlement()));
+                    return params.build();
+                  }
+                })
+            .build();
     GrpcCallSettings<ListProductsRequest, ListProductsResponse> listProductsTransportSettings =
         GrpcCallSettings.<ListProductsRequest, ListProductsResponse>newBuilder()
             .setMethodDescriptor(listProductsMethodDescriptor)
@@ -1236,6 +1260,9 @@ public Map<String, String> extract(ListSubscribersRequest request) {
             updateChannelPartnerLinkTransportSettings,
             settings.updateChannelPartnerLinkSettings(),
             clientContext);
+    this.lookupOfferCallable =
+        callableFactory.createUnaryCallable(
+            lookupOfferTransportSettings, settings.lookupOfferSettings(), clientContext);
     this.listProductsCallable =
         callableFactory.createUnaryCallable(
             listProductsTransportSettings, settings.listProductsSettings(), clientContext);
@@ -1531,6 +1558,11 @@ public UnaryCallable<TransferEntitlementsRequest, Operation> transferEntitlement
     return updateChannelPartnerLinkCallable;
   }
 
+  @Override
+  public UnaryCallable<LookupOfferRequest, Offer> lookupOfferCallable() {
+    return lookupOfferCallable;
+  }
+
   @Override
   public UnaryCallable<ListProductsRequest, ListProductsResponse> listProductsCallable() {
     return listProductsCallable;
diff --git a/google-cloud-channel/src/test/java/com/google/cloud/channel/v1/CloudChannelServiceClientTest.java b/google-cloud-channel/src/test/java/com/google/cloud/channel/v1/CloudChannelServiceClientTest.java
index b1fd127a..def18194 100644
--- a/google-cloud-channel/src/test/java/com/google/cloud/channel/v1/CloudChannelServiceClientTest.java
+++ b/google-cloud-channel/src/test/java/com/google/cloud/channel/v1/CloudChannelServiceClientTest.java
@@ -1671,6 +1671,60 @@ public void updateChannelPartnerLinkExceptionTest() throws Exception {
     }
   }
 
+  @Test
+  public void lookupOfferTest() throws Exception {
+    Offer expectedResponse =
+        Offer.newBuilder()
+            .setName(OfferName.of("[ACCOUNT]", "[OFFER]").toString())
+            .setMarketingInfo(MarketingInfo.newBuilder().build())
+            .setSku(Sku.newBuilder().build())
+            .setPlan(Plan.newBuilder().build())
+            .setConstraints(Constraints.newBuilder().build())
+            .addAllPriceByResources(new ArrayList<PriceByResource>())
+            .setStartTime(Timestamp.newBuilder().build())
+            .setEndTime(Timestamp.newBuilder().build())
+            .addAllParameterDefinitions(new ArrayList<ParameterDefinition>())
+            .build();
+    mockCloudChannelService.addResponse(expectedResponse);
+
+    LookupOfferRequest request =
+        LookupOfferRequest.newBuilder()
+            .setEntitlement(
+                EntitlementName.of("[ACCOUNT]", "[CUSTOMER]", "[ENTITLEMENT]").toString())
+            .build();
+
+    Offer actualResponse = client.lookupOffer(request);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockCloudChannelService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    LookupOfferRequest actualRequest = ((LookupOfferRequest) actualRequests.get(0));
+
+    Assert.assertEquals(request.getEntitlement(), actualRequest.getEntitlement());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void lookupOfferExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockCloudChannelService.addException(exception);
+
+    try {
+      LookupOfferRequest request =
+          LookupOfferRequest.newBuilder()
+              .setEntitlement(
+                  EntitlementName.of("[ACCOUNT]", "[CUSTOMER]", "[ENTITLEMENT]").toString())
+              .build();
+      client.lookupOffer(request);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
   @Test
   public void listProductsTest() throws Exception {
     Product responsesElement = Product.newBuilder().build();
diff --git a/google-cloud-channel/src/test/java/com/google/cloud/channel/v1/MockCloudChannelServiceImpl.java b/google-cloud-channel/src/test/java/com/google/cloud/channel/v1/MockCloudChannelServiceImpl.java
index 7c47e4b3..580bb78f 100644
--- a/google-cloud-channel/src/test/java/com/google/cloud/channel/v1/MockCloudChannelServiceImpl.java
+++ b/google-cloud-channel/src/test/java/com/google/cloud/channel/v1/MockCloudChannelServiceImpl.java
@@ -589,6 +589,26 @@ public void updateChannelPartnerLink(
     }
   }
 
+  @Override
+  public void lookupOffer(LookupOfferRequest request, StreamObserver<Offer> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Offer) {
+      requests.add(request);
+      responseObserver.onNext(((Offer) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method LookupOffer, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Offer.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
   @Override
   public void listProducts(
       ListProductsRequest request, StreamObserver<ListProductsResponse> responseObserver) {
diff --git a/grpc-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceGrpc.java b/grpc-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceGrpc.java
index c68390f2..3249f3ee 100644
--- a/grpc-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceGrpc.java
+++ b/grpc-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/CloudChannelServiceGrpc.java
@@ -1230,6 +1230,48 @@ private CloudChannelServiceGrpc() {}
     return getUpdateChannelPartnerLinkMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.channel.v1.LookupOfferRequest, com.google.cloud.channel.v1.Offer>
+      getLookupOfferMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "LookupOffer",
+      requestType = com.google.cloud.channel.v1.LookupOfferRequest.class,
+      responseType = com.google.cloud.channel.v1.Offer.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.channel.v1.LookupOfferRequest, com.google.cloud.channel.v1.Offer>
+      getLookupOfferMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.channel.v1.LookupOfferRequest, com.google.cloud.channel.v1.Offer>
+        getLookupOfferMethod;
+    if ((getLookupOfferMethod = CloudChannelServiceGrpc.getLookupOfferMethod) == null) {
+      synchronized (CloudChannelServiceGrpc.class) {
+        if ((getLookupOfferMethod = CloudChannelServiceGrpc.getLookupOfferMethod) == null) {
+          CloudChannelServiceGrpc.getLookupOfferMethod =
+              getLookupOfferMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.channel.v1.LookupOfferRequest,
+                          com.google.cloud.channel.v1.Offer>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "LookupOffer"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.channel.v1.LookupOfferRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.channel.v1.Offer.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new CloudChannelServiceMethodDescriptorSupplier("LookupOffer"))
+                      .build();
+        }
+      }
+    }
+    return getLookupOfferMethod;
+  }
+
   private static volatile io.grpc.MethodDescriptor<
           com.google.cloud.channel.v1.ListProductsRequest,
           com.google.cloud.channel.v1.ListProductsResponse>
@@ -1700,7 +1742,7 @@ public void listCustomers(
      *
      *
      * <pre>
-     * Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+     * Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
      * Possible error codes:
      * * PERMISSION_DENIED: The reseller account making the request is different
      * from the reseller account in the API request.
@@ -1794,7 +1836,7 @@ public void updateCustomer(
      *
      *
      * <pre>
-     * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+     * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
      * Possible error codes:
      * * PERMISSION_DENIED: The account making the request does not own
      * this customer.
@@ -1920,7 +1962,7 @@ public void listTransferableOffers(
      *
      *
      * <pre>
-     * Returns a requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
+     * Returns the requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
      * Possible error codes:
      * * PERMISSION_DENIED: The customer doesn't belong to the reseller.
      * * INVALID_ARGUMENT: Required request parameters are missing or invalid.
@@ -2304,7 +2346,7 @@ public void listChannelPartnerLinks(
      *
      *
      * <pre>
-     * Returns a requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
+     * Returns the requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
      * You must be a distributor to call this method.
      * Possible error codes:
      * * PERMISSION_DENIED: The reseller account making the request is different
@@ -2389,6 +2431,26 @@ public void updateChannelPartnerLink(
           getUpdateChannelPartnerLinkMethod(), responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Returns the requested [Offer][google.cloud.channel.v1.Offer] resource.
+     * Possible error codes:
+     * * PERMISSION_DENIED: The entitlement doesn't belong to the reseller.
+     * * INVALID_ARGUMENT: Required request parameters are missing or invalid.
+     * * NOT_FOUND: Entitlement or offer was not found.
+     * Return value:
+     * The [Offer][google.cloud.channel.v1.Offer] resource.
+     * </pre>
+     */
+    public void lookupOffer(
+        com.google.cloud.channel.v1.LookupOfferRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.channel.v1.Offer> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getLookupOfferMethod(), responseObserver);
+    }
+
     /**
      *
      *
@@ -2729,6 +2791,12 @@ public final io.grpc.ServerServiceDefinition bindService() {
                       com.google.cloud.channel.v1.UpdateChannelPartnerLinkRequest,
                       com.google.cloud.channel.v1.ChannelPartnerLink>(
                       this, METHODID_UPDATE_CHANNEL_PARTNER_LINK)))
+          .addMethod(
+              getLookupOfferMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.channel.v1.LookupOfferRequest,
+                      com.google.cloud.channel.v1.Offer>(this, METHODID_LOOKUP_OFFER)))
           .addMethod(
               getListProductsMethod(),
               io.grpc.stub.ServerCalls.asyncUnaryCall(
@@ -2847,7 +2915,7 @@ public void listCustomers(
      *
      *
      * <pre>
-     * Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+     * Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
      * Possible error codes:
      * * PERMISSION_DENIED: The reseller account making the request is different
      * from the reseller account in the API request.
@@ -2949,7 +3017,7 @@ public void updateCustomer(
      *
      *
      * <pre>
-     * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+     * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
      * Possible error codes:
      * * PERMISSION_DENIED: The account making the request does not own
      * this customer.
@@ -3085,7 +3153,7 @@ public void listTransferableOffers(
      *
      *
      * <pre>
-     * Returns a requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
+     * Returns the requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
      * Possible error codes:
      * * PERMISSION_DENIED: The customer doesn't belong to the reseller.
      * * INVALID_ARGUMENT: Required request parameters are missing or invalid.
@@ -3493,7 +3561,7 @@ public void listChannelPartnerLinks(
      *
      *
      * <pre>
-     * Returns a requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
+     * Returns the requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
      * You must be a distributor to call this method.
      * Possible error codes:
      * * PERMISSION_DENIED: The reseller account making the request is different
@@ -3584,6 +3652,28 @@ public void updateChannelPartnerLink(
           responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Returns the requested [Offer][google.cloud.channel.v1.Offer] resource.
+     * Possible error codes:
+     * * PERMISSION_DENIED: The entitlement doesn't belong to the reseller.
+     * * INVALID_ARGUMENT: Required request parameters are missing or invalid.
+     * * NOT_FOUND: Entitlement or offer was not found.
+     * Return value:
+     * The [Offer][google.cloud.channel.v1.Offer] resource.
+     * </pre>
+     */
+    public void lookupOffer(
+        com.google.cloud.channel.v1.LookupOfferRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.channel.v1.Offer> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getLookupOfferMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
     /**
      *
      *
@@ -3833,7 +3923,7 @@ public com.google.cloud.channel.v1.ListCustomersResponse listCustomers(
      *
      *
      * <pre>
-     * Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+     * Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
      * Possible error codes:
      * * PERMISSION_DENIED: The reseller account making the request is different
      * from the reseller account in the API request.
@@ -3922,7 +4012,7 @@ public com.google.cloud.channel.v1.Customer updateCustomer(
      *
      *
      * <pre>
-     * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+     * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
      * Possible error codes:
      * * PERMISSION_DENIED: The account making the request does not own
      * this customer.
@@ -4040,7 +4130,7 @@ public com.google.cloud.channel.v1.ListTransferableOffersResponse listTransferab
      *
      *
      * <pre>
-     * Returns a requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
+     * Returns the requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
      * Possible error codes:
      * * PERMISSION_DENIED: The customer doesn't belong to the reseller.
      * * INVALID_ARGUMENT: Required request parameters are missing or invalid.
@@ -4411,7 +4501,7 @@ public com.google.cloud.channel.v1.ListChannelPartnerLinksResponse listChannelPa
      *
      *
      * <pre>
-     * Returns a requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
+     * Returns the requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
      * You must be a distributor to call this method.
      * Possible error codes:
      * * PERMISSION_DENIED: The reseller account making the request is different
@@ -4490,6 +4580,25 @@ public com.google.cloud.channel.v1.ChannelPartnerLink updateChannelPartnerLink(
           getChannel(), getUpdateChannelPartnerLinkMethod(), getCallOptions(), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Returns the requested [Offer][google.cloud.channel.v1.Offer] resource.
+     * Possible error codes:
+     * * PERMISSION_DENIED: The entitlement doesn't belong to the reseller.
+     * * INVALID_ARGUMENT: Required request parameters are missing or invalid.
+     * * NOT_FOUND: Entitlement or offer was not found.
+     * Return value:
+     * The [Offer][google.cloud.channel.v1.Offer] resource.
+     * </pre>
+     */
+    public com.google.cloud.channel.v1.Offer lookupOffer(
+        com.google.cloud.channel.v1.LookupOfferRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getLookupOfferMethod(), getCallOptions(), request);
+    }
+
     /**
      *
      *
@@ -4712,7 +4821,7 @@ protected CloudChannelServiceFutureStub build(
      *
      *
      * <pre>
-     * Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+     * Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
      * Possible error codes:
      * * PERMISSION_DENIED: The reseller account making the request is different
      * from the reseller account in the API request.
@@ -4803,7 +4912,7 @@ protected CloudChannelServiceFutureStub build(
      *
      *
      * <pre>
-     * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+     * Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
      * Possible error codes:
      * * PERMISSION_DENIED: The account making the request does not own
      * this customer.
@@ -4924,7 +5033,7 @@ protected CloudChannelServiceFutureStub build(
      *
      *
      * <pre>
-     * Returns a requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
+     * Returns the requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
      * Possible error codes:
      * * PERMISSION_DENIED: The customer doesn't belong to the reseller.
      * * INVALID_ARGUMENT: Required request parameters are missing or invalid.
@@ -5299,7 +5408,7 @@ protected CloudChannelServiceFutureStub build(
      *
      *
      * <pre>
-     * Returns a requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
+     * Returns the requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
      * You must be a distributor to call this method.
      * Possible error codes:
      * * PERMISSION_DENIED: The reseller account making the request is different
@@ -5383,6 +5492,25 @@ protected CloudChannelServiceFutureStub build(
           getChannel().newCall(getUpdateChannelPartnerLinkMethod(), getCallOptions()), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Returns the requested [Offer][google.cloud.channel.v1.Offer] resource.
+     * Possible error codes:
+     * * PERMISSION_DENIED: The entitlement doesn't belong to the reseller.
+     * * INVALID_ARGUMENT: Required request parameters are missing or invalid.
+     * * NOT_FOUND: Entitlement or offer was not found.
+     * Return value:
+     * The [Offer][google.cloud.channel.v1.Offer] resource.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.cloud.channel.v1.Offer>
+        lookupOffer(com.google.cloud.channel.v1.LookupOfferRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getLookupOfferMethod(), getCallOptions()), request);
+    }
+
     /**
      *
      *
@@ -5580,14 +5708,15 @@ protected CloudChannelServiceFutureStub build(
   private static final int METHODID_GET_CHANNEL_PARTNER_LINK = 22;
   private static final int METHODID_CREATE_CHANNEL_PARTNER_LINK = 23;
   private static final int METHODID_UPDATE_CHANNEL_PARTNER_LINK = 24;
-  private static final int METHODID_LIST_PRODUCTS = 25;
-  private static final int METHODID_LIST_SKUS = 26;
-  private static final int METHODID_LIST_OFFERS = 27;
-  private static final int METHODID_LIST_PURCHASABLE_SKUS = 28;
-  private static final int METHODID_LIST_PURCHASABLE_OFFERS = 29;
-  private static final int METHODID_REGISTER_SUBSCRIBER = 30;
-  private static final int METHODID_UNREGISTER_SUBSCRIBER = 31;
-  private static final int METHODID_LIST_SUBSCRIBERS = 32;
+  private static final int METHODID_LOOKUP_OFFER = 25;
+  private static final int METHODID_LIST_PRODUCTS = 26;
+  private static final int METHODID_LIST_SKUS = 27;
+  private static final int METHODID_LIST_OFFERS = 28;
+  private static final int METHODID_LIST_PURCHASABLE_SKUS = 29;
+  private static final int METHODID_LIST_PURCHASABLE_OFFERS = 30;
+  private static final int METHODID_REGISTER_SUBSCRIBER = 31;
+  private static final int METHODID_UNREGISTER_SUBSCRIBER = 32;
+  private static final int METHODID_LIST_SUBSCRIBERS = 33;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -5745,6 +5874,11 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
               (io.grpc.stub.StreamObserver<com.google.cloud.channel.v1.ChannelPartnerLink>)
                   responseObserver);
           break;
+        case METHODID_LOOKUP_OFFER:
+          serviceImpl.lookupOffer(
+              (com.google.cloud.channel.v1.LookupOfferRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.cloud.channel.v1.Offer>) responseObserver);
+          break;
         case METHODID_LIST_PRODUCTS:
           serviceImpl.listProducts(
               (com.google.cloud.channel.v1.ListProductsRequest) request,
@@ -5884,6 +6018,7 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .addMethod(getGetChannelPartnerLinkMethod())
                       .addMethod(getCreateChannelPartnerLinkMethod())
                       .addMethod(getUpdateChannelPartnerLinkMethod())
+                      .addMethod(getLookupOfferMethod())
                       .addMethod(getListProductsMethod())
                       .addMethod(getListSkusMethod())
                       .addMethod(getListOffersMethod())
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ContactInfo.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ContactInfo.java
index 01eed955..769c1225 100644
--- a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ContactInfo.java
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ContactInfo.java
@@ -157,7 +157,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * First name of the contact in the customer account.
+   * The customer account contact's first name.
    * </pre>
    *
    * <code>string first_name = 1;</code>
@@ -180,7 +180,7 @@ public java.lang.String getFirstName() {
    *
    *
    * <pre>
-   * First name of the contact in the customer account.
+   * The customer account contact's first name.
    * </pre>
    *
    * <code>string first_name = 1;</code>
@@ -206,7 +206,7 @@ public com.google.protobuf.ByteString getFirstNameBytes() {
    *
    *
    * <pre>
-   * Last name of the contact in the customer account.
+   * The customer account contact's last name.
    * </pre>
    *
    * <code>string last_name = 2;</code>
@@ -229,7 +229,7 @@ public java.lang.String getLastName() {
    *
    *
    * <pre>
-   * Last name of the contact in the customer account.
+   * The customer account contact's last name.
    * </pre>
    *
    * <code>string last_name = 2;</code>
@@ -255,8 +255,8 @@ public com.google.protobuf.ByteString getLastNameBytes() {
    *
    *
    * <pre>
-   * Output only. Display name of the contact in the customer account.
-   * Populated by combining customer first name and last name.
+   * Output only. The customer account contact's display name, formatted as a
+   * combination of the customer's first and last name.
    * </pre>
    *
    * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -279,8 +279,8 @@ public java.lang.String getDisplayName() {
    *
    *
    * <pre>
-   * Output only. Display name of the contact in the customer account.
-   * Populated by combining customer first name and last name.
+   * Output only. The customer account contact's display name, formatted as a
+   * combination of the customer's first and last name.
    * </pre>
    *
    * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -306,10 +306,9 @@ public com.google.protobuf.ByteString getDisplayNameBytes() {
    *
    *
    * <pre>
-   * Email of the contact in the customer account.
-   * Email is required for entitlements that need creation of admin.google.com
-   * accounts. The email will be the username used in credentials to access the
-   * admin.google.com account.
+   * The customer account's contact email. Required for entitlements that create
+   * admin.google.com accounts, and serves as the customer's username for those
+   * accounts.
    * </pre>
    *
    * <code>string email = 5;</code>
@@ -332,10 +331,9 @@ public java.lang.String getEmail() {
    *
    *
    * <pre>
-   * Email of the contact in the customer account.
-   * Email is required for entitlements that need creation of admin.google.com
-   * accounts. The email will be the username used in credentials to access the
-   * admin.google.com account.
+   * The customer account's contact email. Required for entitlements that create
+   * admin.google.com accounts, and serves as the customer's username for those
+   * accounts.
    * </pre>
    *
    * <code>string email = 5;</code>
@@ -361,7 +359,7 @@ public com.google.protobuf.ByteString getEmailBytes() {
    *
    *
    * <pre>
-   * Optional. Job title of the contact in the customer account.
+   * Optional. The customer account contact's job title.
    * </pre>
    *
    * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -384,7 +382,7 @@ public java.lang.String getTitle() {
    *
    *
    * <pre>
-   * Optional. Job title of the contact in the customer account.
+   * Optional. The customer account contact's job title.
    * </pre>
    *
    * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -410,7 +408,7 @@ public com.google.protobuf.ByteString getTitleBytes() {
    *
    *
    * <pre>
-   * Phone number of the contact in the customer account.
+   * The customer account's contact phone number.
    * </pre>
    *
    * <code>string phone = 7;</code>
@@ -433,7 +431,7 @@ public java.lang.String getPhone() {
    *
    *
    * <pre>
-   * Phone number of the contact in the customer account.
+   * The customer account's contact phone number.
    * </pre>
    *
    * <code>string phone = 7;</code>
@@ -853,7 +851,7 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * First name of the contact in the customer account.
+     * The customer account contact's first name.
      * </pre>
      *
      * <code>string first_name = 1;</code>
@@ -875,7 +873,7 @@ public java.lang.String getFirstName() {
      *
      *
      * <pre>
-     * First name of the contact in the customer account.
+     * The customer account contact's first name.
      * </pre>
      *
      * <code>string first_name = 1;</code>
@@ -897,7 +895,7 @@ public com.google.protobuf.ByteString getFirstNameBytes() {
      *
      *
      * <pre>
-     * First name of the contact in the customer account.
+     * The customer account contact's first name.
      * </pre>
      *
      * <code>string first_name = 1;</code>
@@ -918,7 +916,7 @@ public Builder setFirstName(java.lang.String value) {
      *
      *
      * <pre>
-     * First name of the contact in the customer account.
+     * The customer account contact's first name.
      * </pre>
      *
      * <code>string first_name = 1;</code>
@@ -935,7 +933,7 @@ public Builder clearFirstName() {
      *
      *
      * <pre>
-     * First name of the contact in the customer account.
+     * The customer account contact's first name.
      * </pre>
      *
      * <code>string first_name = 1;</code>
@@ -959,7 +957,7 @@ public Builder setFirstNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Last name of the contact in the customer account.
+     * The customer account contact's last name.
      * </pre>
      *
      * <code>string last_name = 2;</code>
@@ -981,7 +979,7 @@ public java.lang.String getLastName() {
      *
      *
      * <pre>
-     * Last name of the contact in the customer account.
+     * The customer account contact's last name.
      * </pre>
      *
      * <code>string last_name = 2;</code>
@@ -1003,7 +1001,7 @@ public com.google.protobuf.ByteString getLastNameBytes() {
      *
      *
      * <pre>
-     * Last name of the contact in the customer account.
+     * The customer account contact's last name.
      * </pre>
      *
      * <code>string last_name = 2;</code>
@@ -1024,7 +1022,7 @@ public Builder setLastName(java.lang.String value) {
      *
      *
      * <pre>
-     * Last name of the contact in the customer account.
+     * The customer account contact's last name.
      * </pre>
      *
      * <code>string last_name = 2;</code>
@@ -1041,7 +1039,7 @@ public Builder clearLastName() {
      *
      *
      * <pre>
-     * Last name of the contact in the customer account.
+     * The customer account contact's last name.
      * </pre>
      *
      * <code>string last_name = 2;</code>
@@ -1065,8 +1063,8 @@ public Builder setLastNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Output only. Display name of the contact in the customer account.
-     * Populated by combining customer first name and last name.
+     * Output only. The customer account contact's display name, formatted as a
+     * combination of the customer's first and last name.
      * </pre>
      *
      * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -1088,8 +1086,8 @@ public java.lang.String getDisplayName() {
      *
      *
      * <pre>
-     * Output only. Display name of the contact in the customer account.
-     * Populated by combining customer first name and last name.
+     * Output only. The customer account contact's display name, formatted as a
+     * combination of the customer's first and last name.
      * </pre>
      *
      * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -1111,8 +1109,8 @@ public com.google.protobuf.ByteString getDisplayNameBytes() {
      *
      *
      * <pre>
-     * Output only. Display name of the contact in the customer account.
-     * Populated by combining customer first name and last name.
+     * Output only. The customer account contact's display name, formatted as a
+     * combination of the customer's first and last name.
      * </pre>
      *
      * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -1133,8 +1131,8 @@ public Builder setDisplayName(java.lang.String value) {
      *
      *
      * <pre>
-     * Output only. Display name of the contact in the customer account.
-     * Populated by combining customer first name and last name.
+     * Output only. The customer account contact's display name, formatted as a
+     * combination of the customer's first and last name.
      * </pre>
      *
      * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -1151,8 +1149,8 @@ public Builder clearDisplayName() {
      *
      *
      * <pre>
-     * Output only. Display name of the contact in the customer account.
-     * Populated by combining customer first name and last name.
+     * Output only. The customer account contact's display name, formatted as a
+     * combination of the customer's first and last name.
      * </pre>
      *
      * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -1176,10 +1174,9 @@ public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Email of the contact in the customer account.
-     * Email is required for entitlements that need creation of admin.google.com
-     * accounts. The email will be the username used in credentials to access the
-     * admin.google.com account.
+     * The customer account's contact email. Required for entitlements that create
+     * admin.google.com accounts, and serves as the customer's username for those
+     * accounts.
      * </pre>
      *
      * <code>string email = 5;</code>
@@ -1201,10 +1198,9 @@ public java.lang.String getEmail() {
      *
      *
      * <pre>
-     * Email of the contact in the customer account.
-     * Email is required for entitlements that need creation of admin.google.com
-     * accounts. The email will be the username used in credentials to access the
-     * admin.google.com account.
+     * The customer account's contact email. Required for entitlements that create
+     * admin.google.com accounts, and serves as the customer's username for those
+     * accounts.
      * </pre>
      *
      * <code>string email = 5;</code>
@@ -1226,10 +1222,9 @@ public com.google.protobuf.ByteString getEmailBytes() {
      *
      *
      * <pre>
-     * Email of the contact in the customer account.
-     * Email is required for entitlements that need creation of admin.google.com
-     * accounts. The email will be the username used in credentials to access the
-     * admin.google.com account.
+     * The customer account's contact email. Required for entitlements that create
+     * admin.google.com accounts, and serves as the customer's username for those
+     * accounts.
      * </pre>
      *
      * <code>string email = 5;</code>
@@ -1250,10 +1245,9 @@ public Builder setEmail(java.lang.String value) {
      *
      *
      * <pre>
-     * Email of the contact in the customer account.
-     * Email is required for entitlements that need creation of admin.google.com
-     * accounts. The email will be the username used in credentials to access the
-     * admin.google.com account.
+     * The customer account's contact email. Required for entitlements that create
+     * admin.google.com accounts, and serves as the customer's username for those
+     * accounts.
      * </pre>
      *
      * <code>string email = 5;</code>
@@ -1270,10 +1264,9 @@ public Builder clearEmail() {
      *
      *
      * <pre>
-     * Email of the contact in the customer account.
-     * Email is required for entitlements that need creation of admin.google.com
-     * accounts. The email will be the username used in credentials to access the
-     * admin.google.com account.
+     * The customer account's contact email. Required for entitlements that create
+     * admin.google.com accounts, and serves as the customer's username for those
+     * accounts.
      * </pre>
      *
      * <code>string email = 5;</code>
@@ -1297,7 +1290,7 @@ public Builder setEmailBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Optional. Job title of the contact in the customer account.
+     * Optional. The customer account contact's job title.
      * </pre>
      *
      * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1319,7 +1312,7 @@ public java.lang.String getTitle() {
      *
      *
      * <pre>
-     * Optional. Job title of the contact in the customer account.
+     * Optional. The customer account contact's job title.
      * </pre>
      *
      * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1341,7 +1334,7 @@ public com.google.protobuf.ByteString getTitleBytes() {
      *
      *
      * <pre>
-     * Optional. Job title of the contact in the customer account.
+     * Optional. The customer account contact's job title.
      * </pre>
      *
      * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1362,7 +1355,7 @@ public Builder setTitle(java.lang.String value) {
      *
      *
      * <pre>
-     * Optional. Job title of the contact in the customer account.
+     * Optional. The customer account contact's job title.
      * </pre>
      *
      * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1379,7 +1372,7 @@ public Builder clearTitle() {
      *
      *
      * <pre>
-     * Optional. Job title of the contact in the customer account.
+     * Optional. The customer account contact's job title.
      * </pre>
      *
      * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1403,7 +1396,7 @@ public Builder setTitleBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Phone number of the contact in the customer account.
+     * The customer account's contact phone number.
      * </pre>
      *
      * <code>string phone = 7;</code>
@@ -1425,7 +1418,7 @@ public java.lang.String getPhone() {
      *
      *
      * <pre>
-     * Phone number of the contact in the customer account.
+     * The customer account's contact phone number.
      * </pre>
      *
      * <code>string phone = 7;</code>
@@ -1447,7 +1440,7 @@ public com.google.protobuf.ByteString getPhoneBytes() {
      *
      *
      * <pre>
-     * Phone number of the contact in the customer account.
+     * The customer account's contact phone number.
      * </pre>
      *
      * <code>string phone = 7;</code>
@@ -1468,7 +1461,7 @@ public Builder setPhone(java.lang.String value) {
      *
      *
      * <pre>
-     * Phone number of the contact in the customer account.
+     * The customer account's contact phone number.
      * </pre>
      *
      * <code>string phone = 7;</code>
@@ -1485,7 +1478,7 @@ public Builder clearPhone() {
      *
      *
      * <pre>
-     * Phone number of the contact in the customer account.
+     * The customer account's contact phone number.
      * </pre>
      *
      * <code>string phone = 7;</code>
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ContactInfoOrBuilder.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ContactInfoOrBuilder.java
index 4e6c2c72..c1b0476d 100644
--- a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ContactInfoOrBuilder.java
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ContactInfoOrBuilder.java
@@ -27,7 +27,7 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * First name of the contact in the customer account.
+   * The customer account contact's first name.
    * </pre>
    *
    * <code>string first_name = 1;</code>
@@ -39,7 +39,7 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * First name of the contact in the customer account.
+   * The customer account contact's first name.
    * </pre>
    *
    * <code>string first_name = 1;</code>
@@ -52,7 +52,7 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Last name of the contact in the customer account.
+   * The customer account contact's last name.
    * </pre>
    *
    * <code>string last_name = 2;</code>
@@ -64,7 +64,7 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Last name of the contact in the customer account.
+   * The customer account contact's last name.
    * </pre>
    *
    * <code>string last_name = 2;</code>
@@ -77,8 +77,8 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Output only. Display name of the contact in the customer account.
-   * Populated by combining customer first name and last name.
+   * Output only. The customer account contact's display name, formatted as a
+   * combination of the customer's first and last name.
    * </pre>
    *
    * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -90,8 +90,8 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Output only. Display name of the contact in the customer account.
-   * Populated by combining customer first name and last name.
+   * Output only. The customer account contact's display name, formatted as a
+   * combination of the customer's first and last name.
    * </pre>
    *
    * <code>string display_name = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -104,10 +104,9 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Email of the contact in the customer account.
-   * Email is required for entitlements that need creation of admin.google.com
-   * accounts. The email will be the username used in credentials to access the
-   * admin.google.com account.
+   * The customer account's contact email. Required for entitlements that create
+   * admin.google.com accounts, and serves as the customer's username for those
+   * accounts.
    * </pre>
    *
    * <code>string email = 5;</code>
@@ -119,10 +118,9 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Email of the contact in the customer account.
-   * Email is required for entitlements that need creation of admin.google.com
-   * accounts. The email will be the username used in credentials to access the
-   * admin.google.com account.
+   * The customer account's contact email. Required for entitlements that create
+   * admin.google.com accounts, and serves as the customer's username for those
+   * accounts.
    * </pre>
    *
    * <code>string email = 5;</code>
@@ -135,7 +133,7 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Optional. Job title of the contact in the customer account.
+   * Optional. The customer account contact's job title.
    * </pre>
    *
    * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -147,7 +145,7 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Optional. Job title of the contact in the customer account.
+   * Optional. The customer account contact's job title.
    * </pre>
    *
    * <code>string title = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -160,7 +158,7 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Phone number of the contact in the customer account.
+   * The customer account's contact phone number.
    * </pre>
    *
    * <code>string phone = 7;</code>
@@ -172,7 +170,7 @@ public interface ContactInfoOrBuilder
    *
    *
    * <pre>
-   * Phone number of the contact in the customer account.
+   * The customer account's contact phone number.
    * </pre>
    *
    * <code>string phone = 7;</code>
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/Customer.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/Customer.java
index 163a04e2..dc251e52 100644
--- a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/Customer.java
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/Customer.java
@@ -342,11 +342,10 @@ public com.google.protobuf.ByteString getOrgDisplayNameBytes() {
    *
    *
    * <pre>
-   * Required. Address of the organization of the customer entity.
-   * Region and zip codes are required to enforce US laws and embargoes.
-   * Valid address lines are required for all customers.
-   * Language code is discarded. Use the Customer-level language code to set the
-   * customer's language.
+   * Required. The organization address for the customer. To enforce US laws and
+   * embargoes, we require a region and zip code. You must provide valid
+   * addresses for every customer. To set the customer's language, use the
+   * Customer-level language code.
    * </pre>
    *
    * <code>
@@ -363,11 +362,10 @@ public boolean hasOrgPostalAddress() {
    *
    *
    * <pre>
-   * Required. Address of the organization of the customer entity.
-   * Region and zip codes are required to enforce US laws and embargoes.
-   * Valid address lines are required for all customers.
-   * Language code is discarded. Use the Customer-level language code to set the
-   * customer's language.
+   * Required. The organization address for the customer. To enforce US laws and
+   * embargoes, we require a region and zip code. You must provide valid
+   * addresses for every customer. To set the customer's language, use the
+   * Customer-level language code.
    * </pre>
    *
    * <code>
@@ -386,11 +384,10 @@ public com.google.type.PostalAddress getOrgPostalAddress() {
    *
    *
    * <pre>
-   * Required. Address of the organization of the customer entity.
-   * Region and zip codes are required to enforce US laws and embargoes.
-   * Valid address lines are required for all customers.
-   * Language code is discarded. Use the Customer-level language code to set the
-   * customer's language.
+   * Required. The organization address for the customer. To enforce US laws and
+   * embargoes, we require a region and zip code. You must provide valid
+   * addresses for every customer. To set the customer's language, use the
+   * Customer-level language code.
    * </pre>
    *
    * <code>
@@ -456,11 +453,10 @@ public com.google.cloud.channel.v1.ContactInfoOrBuilder getPrimaryContactInfoOrB
    *
    *
    * <pre>
-   * Secondary contact email.
-   * Alternate email and primary contact email are required to have different
-   * domains if primary contact email is present.
-   * When creating admin.google.com accounts, users get notified credentials at
-   * this email. This email address is also used as a recovery email.
+   * Secondary contact email. You need to provide an alternate email to create
+   * different domains if a primary contact email already exists. Users will
+   * receive a notification with credentials when you create an admin.google.com
+   * account. Secondary emails are also recovery email addresses.
    * </pre>
    *
    * <code>string alternate_email = 5;</code>
@@ -483,11 +479,10 @@ public java.lang.String getAlternateEmail() {
    *
    *
    * <pre>
-   * Secondary contact email.
-   * Alternate email and primary contact email are required to have different
-   * domains if primary contact email is present.
-   * When creating admin.google.com accounts, users get notified credentials at
-   * this email. This email address is also used as a recovery email.
+   * Secondary contact email. You need to provide an alternate email to create
+   * different domains if a primary contact email already exists. Users will
+   * receive a notification with credentials when you create an admin.google.com
+   * account. Secondary emails are also recovery email addresses.
    * </pre>
    *
    * <code>string alternate_email = 5;</code>
@@ -513,9 +508,8 @@ public com.google.protobuf.ByteString getAlternateEmailBytes() {
    *
    *
    * <pre>
-   * Required. Primary domain used by the customer.
-   * Domain of primary contact email is required to be same as the provided
-   * domain.
+   * Required. The customer's primary domain. Must match the primary contact
+   * email's domain.
    * </pre>
    *
    * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -538,9 +532,8 @@ public java.lang.String getDomain() {
    *
    *
    * <pre>
-   * Required. Primary domain used by the customer.
-   * Domain of primary contact email is required to be same as the provided
-   * domain.
+   * Required. The customer's primary domain. Must match the primary contact
+   * email's domain.
    * </pre>
    *
    * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -566,7 +559,7 @@ public com.google.protobuf.ByteString getDomainBytes() {
    *
    *
    * <pre>
-   * Output only. The time at which the customer is created.
+   * Output only. Time when the customer was created.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -582,7 +575,7 @@ public boolean hasCreateTime() {
    *
    *
    * <pre>
-   * Output only. The time at which the customer is created.
+   * Output only. Time when the customer was created.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -598,7 +591,7 @@ public com.google.protobuf.Timestamp getCreateTime() {
    *
    *
    * <pre>
-   * Output only. The time at which the customer is created.
+   * Output only. Time when the customer was created.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -615,7 +608,7 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
    *
    *
    * <pre>
-   * Output only. The time at which the customer is updated.
+   * Output only. Time when the customer was updated.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp update_time = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -631,7 +624,7 @@ public boolean hasUpdateTime() {
    *
    *
    * <pre>
-   * Output only. The time at which the customer is updated.
+   * Output only. Time when the customer was updated.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp update_time = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -647,7 +640,7 @@ public com.google.protobuf.Timestamp getUpdateTime() {
    *
    *
    * <pre>
-   * Output only. The time at which the customer is updated.
+   * Output only. Time when the customer was updated.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp update_time = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -664,8 +657,8 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
    *
    *
    * <pre>
-   * Output only. Customer's cloud_identity_id.
-   * Populated only if a Cloud Identity resource exists for this customer.
+   * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+   * Identity resource.
    * </pre>
    *
    * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -688,8 +681,8 @@ public java.lang.String getCloudIdentityId() {
    *
    *
    * <pre>
-   * Output only. Customer's cloud_identity_id.
-   * Populated only if a Cloud Identity resource exists for this customer.
+   * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+   * Identity resource.
    * </pre>
    *
    * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -1646,11 +1639,10 @@ public Builder setOrgDisplayNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -1666,11 +1658,10 @@ public boolean hasOrgPostalAddress() {
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -1692,11 +1683,10 @@ public com.google.type.PostalAddress getOrgPostalAddress() {
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -1720,11 +1710,10 @@ public Builder setOrgPostalAddress(com.google.type.PostalAddress value) {
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -1745,11 +1734,10 @@ public Builder setOrgPostalAddress(com.google.type.PostalAddress.Builder builder
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -1777,11 +1765,10 @@ public Builder mergeOrgPostalAddress(com.google.type.PostalAddress value) {
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -1803,11 +1790,10 @@ public Builder clearOrgPostalAddress() {
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -1823,11 +1809,10 @@ public com.google.type.PostalAddress.Builder getOrgPostalAddressBuilder() {
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -1847,11 +1832,10 @@ public com.google.type.PostalAddressOrBuilder getOrgPostalAddressOrBuilder() {
      *
      *
      * <pre>
-     * Required. Address of the organization of the customer entity.
-     * Region and zip codes are required to enforce US laws and embargoes.
-     * Valid address lines are required for all customers.
-     * Language code is discarded. Use the Customer-level language code to set the
-     * customer's language.
+     * Required. The organization address for the customer. To enforce US laws and
+     * embargoes, we require a region and zip code. You must provide valid
+     * addresses for every customer. To set the customer's language, use the
+     * Customer-level language code.
      * </pre>
      *
      * <code>
@@ -2066,11 +2050,10 @@ public com.google.cloud.channel.v1.ContactInfoOrBuilder getPrimaryContactInfoOrB
      *
      *
      * <pre>
-     * Secondary contact email.
-     * Alternate email and primary contact email are required to have different
-     * domains if primary contact email is present.
-     * When creating admin.google.com accounts, users get notified credentials at
-     * this email. This email address is also used as a recovery email.
+     * Secondary contact email. You need to provide an alternate email to create
+     * different domains if a primary contact email already exists. Users will
+     * receive a notification with credentials when you create an admin.google.com
+     * account. Secondary emails are also recovery email addresses.
      * </pre>
      *
      * <code>string alternate_email = 5;</code>
@@ -2092,11 +2075,10 @@ public java.lang.String getAlternateEmail() {
      *
      *
      * <pre>
-     * Secondary contact email.
-     * Alternate email and primary contact email are required to have different
-     * domains if primary contact email is present.
-     * When creating admin.google.com accounts, users get notified credentials at
-     * this email. This email address is also used as a recovery email.
+     * Secondary contact email. You need to provide an alternate email to create
+     * different domains if a primary contact email already exists. Users will
+     * receive a notification with credentials when you create an admin.google.com
+     * account. Secondary emails are also recovery email addresses.
      * </pre>
      *
      * <code>string alternate_email = 5;</code>
@@ -2118,11 +2100,10 @@ public com.google.protobuf.ByteString getAlternateEmailBytes() {
      *
      *
      * <pre>
-     * Secondary contact email.
-     * Alternate email and primary contact email are required to have different
-     * domains if primary contact email is present.
-     * When creating admin.google.com accounts, users get notified credentials at
-     * this email. This email address is also used as a recovery email.
+     * Secondary contact email. You need to provide an alternate email to create
+     * different domains if a primary contact email already exists. Users will
+     * receive a notification with credentials when you create an admin.google.com
+     * account. Secondary emails are also recovery email addresses.
      * </pre>
      *
      * <code>string alternate_email = 5;</code>
@@ -2143,11 +2124,10 @@ public Builder setAlternateEmail(java.lang.String value) {
      *
      *
      * <pre>
-     * Secondary contact email.
-     * Alternate email and primary contact email are required to have different
-     * domains if primary contact email is present.
-     * When creating admin.google.com accounts, users get notified credentials at
-     * this email. This email address is also used as a recovery email.
+     * Secondary contact email. You need to provide an alternate email to create
+     * different domains if a primary contact email already exists. Users will
+     * receive a notification with credentials when you create an admin.google.com
+     * account. Secondary emails are also recovery email addresses.
      * </pre>
      *
      * <code>string alternate_email = 5;</code>
@@ -2164,11 +2144,10 @@ public Builder clearAlternateEmail() {
      *
      *
      * <pre>
-     * Secondary contact email.
-     * Alternate email and primary contact email are required to have different
-     * domains if primary contact email is present.
-     * When creating admin.google.com accounts, users get notified credentials at
-     * this email. This email address is also used as a recovery email.
+     * Secondary contact email. You need to provide an alternate email to create
+     * different domains if a primary contact email already exists. Users will
+     * receive a notification with credentials when you create an admin.google.com
+     * account. Secondary emails are also recovery email addresses.
      * </pre>
      *
      * <code>string alternate_email = 5;</code>
@@ -2192,9 +2171,8 @@ public Builder setAlternateEmailBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Required. Primary domain used by the customer.
-     * Domain of primary contact email is required to be same as the provided
-     * domain.
+     * Required. The customer's primary domain. Must match the primary contact
+     * email's domain.
      * </pre>
      *
      * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -2216,9 +2194,8 @@ public java.lang.String getDomain() {
      *
      *
      * <pre>
-     * Required. Primary domain used by the customer.
-     * Domain of primary contact email is required to be same as the provided
-     * domain.
+     * Required. The customer's primary domain. Must match the primary contact
+     * email's domain.
      * </pre>
      *
      * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -2240,9 +2217,8 @@ public com.google.protobuf.ByteString getDomainBytes() {
      *
      *
      * <pre>
-     * Required. Primary domain used by the customer.
-     * Domain of primary contact email is required to be same as the provided
-     * domain.
+     * Required. The customer's primary domain. Must match the primary contact
+     * email's domain.
      * </pre>
      *
      * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -2263,9 +2239,8 @@ public Builder setDomain(java.lang.String value) {
      *
      *
      * <pre>
-     * Required. Primary domain used by the customer.
-     * Domain of primary contact email is required to be same as the provided
-     * domain.
+     * Required. The customer's primary domain. Must match the primary contact
+     * email's domain.
      * </pre>
      *
      * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -2282,9 +2257,8 @@ public Builder clearDomain() {
      *
      *
      * <pre>
-     * Required. Primary domain used by the customer.
-     * Domain of primary contact email is required to be same as the provided
-     * domain.
+     * Required. The customer's primary domain. Must match the primary contact
+     * email's domain.
      * </pre>
      *
      * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -2313,7 +2287,7 @@ public Builder setDomainBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2329,7 +2303,7 @@ public boolean hasCreateTime() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2351,7 +2325,7 @@ public com.google.protobuf.Timestamp getCreateTime() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2375,7 +2349,7 @@ public Builder setCreateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2396,7 +2370,7 @@ public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForVal
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2422,7 +2396,7 @@ public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2444,7 +2418,7 @@ public Builder clearCreateTime() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2460,7 +2434,7 @@ public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2480,7 +2454,7 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is created.
+     * Output only. Time when the customer was created.
      * </pre>
      *
      * <code>
@@ -2514,7 +2488,7 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2530,7 +2504,7 @@ public boolean hasUpdateTime() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2552,7 +2526,7 @@ public com.google.protobuf.Timestamp getUpdateTime() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2576,7 +2550,7 @@ public Builder setUpdateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2597,7 +2571,7 @@ public Builder setUpdateTime(com.google.protobuf.Timestamp.Builder builderForVal
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2623,7 +2597,7 @@ public Builder mergeUpdateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2645,7 +2619,7 @@ public Builder clearUpdateTime() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2661,7 +2635,7 @@ public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2681,7 +2655,7 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
      *
      *
      * <pre>
-     * Output only. The time at which the customer is updated.
+     * Output only. Time when the customer was updated.
      * </pre>
      *
      * <code>
@@ -2710,8 +2684,8 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
      *
      *
      * <pre>
-     * Output only. Customer's cloud_identity_id.
-     * Populated only if a Cloud Identity resource exists for this customer.
+     * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+     * Identity resource.
      * </pre>
      *
      * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -2733,8 +2707,8 @@ public java.lang.String getCloudIdentityId() {
      *
      *
      * <pre>
-     * Output only. Customer's cloud_identity_id.
-     * Populated only if a Cloud Identity resource exists for this customer.
+     * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+     * Identity resource.
      * </pre>
      *
      * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -2756,8 +2730,8 @@ public com.google.protobuf.ByteString getCloudIdentityIdBytes() {
      *
      *
      * <pre>
-     * Output only. Customer's cloud_identity_id.
-     * Populated only if a Cloud Identity resource exists for this customer.
+     * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+     * Identity resource.
      * </pre>
      *
      * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -2778,8 +2752,8 @@ public Builder setCloudIdentityId(java.lang.String value) {
      *
      *
      * <pre>
-     * Output only. Customer's cloud_identity_id.
-     * Populated only if a Cloud Identity resource exists for this customer.
+     * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+     * Identity resource.
      * </pre>
      *
      * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -2796,8 +2770,8 @@ public Builder clearCloudIdentityId() {
      *
      *
      * <pre>
-     * Output only. Customer's cloud_identity_id.
-     * Populated only if a Cloud Identity resource exists for this customer.
+     * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+     * Identity resource.
      * </pre>
      *
      * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/CustomerOrBuilder.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/CustomerOrBuilder.java
index d2da2550..ead9e2ce 100644
--- a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/CustomerOrBuilder.java
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/CustomerOrBuilder.java
@@ -79,11 +79,10 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Required. Address of the organization of the customer entity.
-   * Region and zip codes are required to enforce US laws and embargoes.
-   * Valid address lines are required for all customers.
-   * Language code is discarded. Use the Customer-level language code to set the
-   * customer's language.
+   * Required. The organization address for the customer. To enforce US laws and
+   * embargoes, we require a region and zip code. You must provide valid
+   * addresses for every customer. To set the customer's language, use the
+   * Customer-level language code.
    * </pre>
    *
    * <code>
@@ -97,11 +96,10 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Required. Address of the organization of the customer entity.
-   * Region and zip codes are required to enforce US laws and embargoes.
-   * Valid address lines are required for all customers.
-   * Language code is discarded. Use the Customer-level language code to set the
-   * customer's language.
+   * Required. The organization address for the customer. To enforce US laws and
+   * embargoes, we require a region and zip code. You must provide valid
+   * addresses for every customer. To set the customer's language, use the
+   * Customer-level language code.
    * </pre>
    *
    * <code>
@@ -115,11 +113,10 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Required. Address of the organization of the customer entity.
-   * Region and zip codes are required to enforce US laws and embargoes.
-   * Valid address lines are required for all customers.
-   * Language code is discarded. Use the Customer-level language code to set the
-   * customer's language.
+   * Required. The organization address for the customer. To enforce US laws and
+   * embargoes, we require a region and zip code. You must provide valid
+   * addresses for every customer. To set the customer's language, use the
+   * Customer-level language code.
    * </pre>
    *
    * <code>
@@ -167,11 +164,10 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Secondary contact email.
-   * Alternate email and primary contact email are required to have different
-   * domains if primary contact email is present.
-   * When creating admin.google.com accounts, users get notified credentials at
-   * this email. This email address is also used as a recovery email.
+   * Secondary contact email. You need to provide an alternate email to create
+   * different domains if a primary contact email already exists. Users will
+   * receive a notification with credentials when you create an admin.google.com
+   * account. Secondary emails are also recovery email addresses.
    * </pre>
    *
    * <code>string alternate_email = 5;</code>
@@ -183,11 +179,10 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Secondary contact email.
-   * Alternate email and primary contact email are required to have different
-   * domains if primary contact email is present.
-   * When creating admin.google.com accounts, users get notified credentials at
-   * this email. This email address is also used as a recovery email.
+   * Secondary contact email. You need to provide an alternate email to create
+   * different domains if a primary contact email already exists. Users will
+   * receive a notification with credentials when you create an admin.google.com
+   * account. Secondary emails are also recovery email addresses.
    * </pre>
    *
    * <code>string alternate_email = 5;</code>
@@ -200,9 +195,8 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Required. Primary domain used by the customer.
-   * Domain of primary contact email is required to be same as the provided
-   * domain.
+   * Required. The customer's primary domain. Must match the primary contact
+   * email's domain.
    * </pre>
    *
    * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -214,9 +208,8 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Required. Primary domain used by the customer.
-   * Domain of primary contact email is required to be same as the provided
-   * domain.
+   * Required. The customer's primary domain. Must match the primary contact
+   * email's domain.
    * </pre>
    *
    * <code>string domain = 6 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -229,7 +222,7 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Output only. The time at which the customer is created.
+   * Output only. Time when the customer was created.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -242,7 +235,7 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Output only. The time at which the customer is created.
+   * Output only. Time when the customer was created.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -255,7 +248,7 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Output only. The time at which the customer is created.
+   * Output only. Time when the customer was created.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -267,7 +260,7 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Output only. The time at which the customer is updated.
+   * Output only. Time when the customer was updated.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp update_time = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -280,7 +273,7 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Output only. The time at which the customer is updated.
+   * Output only. Time when the customer was updated.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp update_time = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -293,7 +286,7 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Output only. The time at which the customer is updated.
+   * Output only. Time when the customer was updated.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp update_time = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -305,8 +298,8 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Output only. Customer's cloud_identity_id.
-   * Populated only if a Cloud Identity resource exists for this customer.
+   * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+   * Identity resource.
    * </pre>
    *
    * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -318,8 +311,8 @@ public interface CustomerOrBuilder
    *
    *
    * <pre>
-   * Output only. Customer's cloud_identity_id.
-   * Populated only if a Cloud Identity resource exists for this customer.
+   * Output only. The customer's Cloud Identity ID if the customer has a Cloud
+   * Identity resource.
    * </pre>
    *
    * <code>string cloud_identity_id = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/EntitlementEvent.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/EntitlementEvent.java
index ae4fbe94..097a9cba 100644
--- a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/EntitlementEvent.java
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/EntitlementEvent.java
@@ -252,6 +252,16 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      * <code>LICENSE_ASSIGNMENT_CHANGED = 12;</code>
      */
     LICENSE_ASSIGNMENT_CHANGED(12),
+    /**
+     *
+     *
+     * <pre>
+     * License cap was changed for the entitlement.
+     * </pre>
+     *
+     * <code>LICENSE_CAP_CHANGED = 13;</code>
+     */
+    LICENSE_CAP_CHANGED(13),
     UNRECOGNIZED(-1),
     ;
 
@@ -378,6 +388,16 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      * <code>LICENSE_ASSIGNMENT_CHANGED = 12;</code>
      */
     public static final int LICENSE_ASSIGNMENT_CHANGED_VALUE = 12;
+    /**
+     *
+     *
+     * <pre>
+     * License cap was changed for the entitlement.
+     * </pre>
+     *
+     * <code>LICENSE_CAP_CHANGED = 13;</code>
+     */
+    public static final int LICENSE_CAP_CHANGED_VALUE = 13;
 
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
@@ -427,6 +447,8 @@ public static Type forNumber(int value) {
           return PAID_SERVICE_STARTED;
         case 12:
           return LICENSE_ASSIGNMENT_CHANGED;
+        case 13:
+          return LICENSE_CAP_CHANGED;
         default:
           return null;
       }
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequest.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequest.java
new file mode 100644
index 00000000..4aa2e1be
--- /dev/null
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequest.java
@@ -0,0 +1,662 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/channel/v1/service.proto
+
+package com.google.cloud.channel.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for LookupOffer.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.channel.v1.LookupOfferRequest}
+ */
+public final class LookupOfferRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.channel.v1.LookupOfferRequest)
+    LookupOfferRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use LookupOfferRequest.newBuilder() to construct.
+  private LookupOfferRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private LookupOfferRequest() {
+    entitlement_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new LookupOfferRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private LookupOfferRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              entitlement_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.channel.v1.ServiceProto
+        .internal_static_google_cloud_channel_v1_LookupOfferRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.channel.v1.ServiceProto
+        .internal_static_google_cloud_channel_v1_LookupOfferRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.channel.v1.LookupOfferRequest.class,
+            com.google.cloud.channel.v1.LookupOfferRequest.Builder.class);
+  }
+
+  public static final int ENTITLEMENT_FIELD_NUMBER = 1;
+  private volatile java.lang.Object entitlement_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the entitlement to retrieve the Offer.
+   * Entitlement uses the format:
+   * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+   * </pre>
+   *
+   * <code>
+   * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The entitlement.
+   */
+  @java.lang.Override
+  public java.lang.String getEntitlement() {
+    java.lang.Object ref = entitlement_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      entitlement_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the entitlement to retrieve the Offer.
+   * Entitlement uses the format:
+   * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+   * </pre>
+   *
+   * <code>
+   * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for entitlement.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getEntitlementBytes() {
+    java.lang.Object ref = entitlement_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      entitlement_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getEntitlementBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, entitlement_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getEntitlementBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, entitlement_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.channel.v1.LookupOfferRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.channel.v1.LookupOfferRequest other =
+        (com.google.cloud.channel.v1.LookupOfferRequest) obj;
+
+    if (!getEntitlement().equals(other.getEntitlement())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + ENTITLEMENT_FIELD_NUMBER;
+    hash = (53 * hash) + getEntitlement().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.channel.v1.LookupOfferRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Request message for LookupOffer.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.channel.v1.LookupOfferRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.channel.v1.LookupOfferRequest)
+      com.google.cloud.channel.v1.LookupOfferRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.channel.v1.ServiceProto
+          .internal_static_google_cloud_channel_v1_LookupOfferRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.channel.v1.ServiceProto
+          .internal_static_google_cloud_channel_v1_LookupOfferRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.channel.v1.LookupOfferRequest.class,
+              com.google.cloud.channel.v1.LookupOfferRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.channel.v1.LookupOfferRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      entitlement_ = "";
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.channel.v1.ServiceProto
+          .internal_static_google_cloud_channel_v1_LookupOfferRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.channel.v1.LookupOfferRequest getDefaultInstanceForType() {
+      return com.google.cloud.channel.v1.LookupOfferRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.channel.v1.LookupOfferRequest build() {
+      com.google.cloud.channel.v1.LookupOfferRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.channel.v1.LookupOfferRequest buildPartial() {
+      com.google.cloud.channel.v1.LookupOfferRequest result =
+          new com.google.cloud.channel.v1.LookupOfferRequest(this);
+      result.entitlement_ = entitlement_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.channel.v1.LookupOfferRequest) {
+        return mergeFrom((com.google.cloud.channel.v1.LookupOfferRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.channel.v1.LookupOfferRequest other) {
+      if (other == com.google.cloud.channel.v1.LookupOfferRequest.getDefaultInstance()) return this;
+      if (!other.getEntitlement().isEmpty()) {
+        entitlement_ = other.entitlement_;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.channel.v1.LookupOfferRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.cloud.channel.v1.LookupOfferRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object entitlement_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the entitlement to retrieve the Offer.
+     * Entitlement uses the format:
+     * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+     * </pre>
+     *
+     * <code>
+     * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The entitlement.
+     */
+    public java.lang.String getEntitlement() {
+      java.lang.Object ref = entitlement_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        entitlement_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the entitlement to retrieve the Offer.
+     * Entitlement uses the format:
+     * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+     * </pre>
+     *
+     * <code>
+     * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for entitlement.
+     */
+    public com.google.protobuf.ByteString getEntitlementBytes() {
+      java.lang.Object ref = entitlement_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        entitlement_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the entitlement to retrieve the Offer.
+     * Entitlement uses the format:
+     * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+     * </pre>
+     *
+     * <code>
+     * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The entitlement to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEntitlement(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      entitlement_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the entitlement to retrieve the Offer.
+     * Entitlement uses the format:
+     * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+     * </pre>
+     *
+     * <code>
+     * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEntitlement() {
+
+      entitlement_ = getDefaultInstance().getEntitlement();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the entitlement to retrieve the Offer.
+     * Entitlement uses the format:
+     * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+     * </pre>
+     *
+     * <code>
+     * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for entitlement to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEntitlementBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      entitlement_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.channel.v1.LookupOfferRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.channel.v1.LookupOfferRequest)
+  private static final com.google.cloud.channel.v1.LookupOfferRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.channel.v1.LookupOfferRequest();
+  }
+
+  public static com.google.cloud.channel.v1.LookupOfferRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<LookupOfferRequest> PARSER =
+      new com.google.protobuf.AbstractParser<LookupOfferRequest>() {
+        @java.lang.Override
+        public LookupOfferRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new LookupOfferRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<LookupOfferRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<LookupOfferRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.channel.v1.LookupOfferRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequestOrBuilder.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequestOrBuilder.java
new file mode 100644
index 00000000..b39bed90
--- /dev/null
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequestOrBuilder.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/channel/v1/service.proto
+
+package com.google.cloud.channel.v1;
+
+public interface LookupOfferRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.channel.v1.LookupOfferRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the entitlement to retrieve the Offer.
+   * Entitlement uses the format:
+   * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+   * </pre>
+   *
+   * <code>
+   * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The entitlement.
+   */
+  java.lang.String getEntitlement();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the entitlement to retrieve the Offer.
+   * Entitlement uses the format:
+   * accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+   * </pre>
+   *
+   * <code>
+   * string entitlement = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for entitlement.
+   */
+  com.google.protobuf.ByteString getEntitlementBytes();
+}
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ServiceProto.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ServiceProto.java
index ff0ea399..6c2c2452 100644
--- a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ServiceProto.java
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ServiceProto.java
@@ -163,6 +163,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_channel_v1_ActivateEntitlementRequest_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_channel_v1_ActivateEntitlementRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_channel_v1_LookupOfferRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_channel_v1_LookupOfferRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_channel_v1_ListProductsRequest_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -384,239 +388,253 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "(\tB\003\340A\001\"G\n\031SuspendEntitlementRequest\022\021\n\004"
           + "name\030\001 \001(\tB\003\340A\002\022\027\n\nrequest_id\030\003 \001(\tB\003\340A\001"
           + "\"H\n\032ActivateEntitlementRequest\022\021\n\004name\030\001"
-          + " \001(\tB\003\340A\002\022\027\n\nrequest_id\030\003 \001(\tB\003\340A\001\"x\n\023Li"
-          + "stProductsRequest\022\024\n\007account\030\001 \001(\tB\003\340A\002\022"
-          + "\026\n\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n\npage_token\030\003 "
-          + "\001(\tB\003\340A\001\022\032\n\rlanguage_code\030\004 \001(\tB\003\340A\001\"c\n\024"
-          + "ListProductsResponse\0222\n\010products\030\001 \003(\0132 "
-          + ".google.cloud.channel.v1.Product\022\027\n\017next"
-          + "_page_token\030\002 \001(\t\"\261\001\n\017ListSkusRequest\022;\n"
-          + "\006parent\030\001 \001(\tB+\340A\002\372A%\n#cloudchannel.goog"
-          + "leapis.com/Product\022\024\n\007account\030\002 \001(\tB\003\340A\002"
-          + "\022\026\n\tpage_size\030\003 \001(\005B\003\340A\001\022\027\n\npage_token\030\004"
-          + " \001(\tB\003\340A\001\022\032\n\rlanguage_code\030\005 \001(\tB\003\340A\001\"W\n"
-          + "\020ListSkusResponse\022*\n\004skus\030\001 \003(\0132\034.google"
-          + ".cloud.channel.v1.Sku\022\027\n\017next_page_token"
-          + "\030\002 \001(\t\"\212\001\n\021ListOffersRequest\022\023\n\006parent\030\001"
-          + " \001(\tB\003\340A\002\022\026\n\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n\npag"
-          + "e_token\030\003 \001(\tB\003\340A\001\022\023\n\006filter\030\004 \001(\tB\003\340A\001\022"
-          + "\032\n\rlanguage_code\030\005 \001(\tB\003\340A\001\"]\n\022ListOffer"
-          + "sResponse\022.\n\006offers\030\001 \003(\0132\036.google.cloud"
-          + ".channel.v1.Offer\022\027\n\017next_page_token\030\002 \001"
-          + "(\t\"\266\005\n\032ListPurchasableSkusRequest\022t\n\033cre"
-          + "ate_entitlement_purchase\030\002 \001(\0132M.google."
-          + "cloud.channel.v1.ListPurchasableSkusRequ"
-          + "est.CreateEntitlementPurchaseH\000\022h\n\025chang"
-          + "e_offer_purchase\030\003 \001(\0132G.google.cloud.ch"
-          + "annel.v1.ListPurchasableSkusRequest.Chan"
-          + "geOfferPurchaseH\000\022>\n\010customer\030\001 \001(\tB,\340A\002"
-          + "\372A&\n$cloudchannel.googleapis.com/Custome"
-          + "r\022\026\n\tpage_size\030\004 \001(\005B\003\340A\001\022\027\n\npage_token\030"
-          + "\005 \001(\tB\003\340A\001\022\032\n\rlanguage_code\030\006 \001(\tB\003\340A\001\0321"
-          + "\n\031CreateEntitlementPurchase\022\024\n\007product\030\001"
-          + " \001(\tB\003\340A\002\032\344\001\n\023ChangeOfferPurchase\022\030\n\013ent"
-          + "itlement\030\001 \001(\tB\003\340A\002\022l\n\013change_type\030\002 \001(\016"
-          + "2R.google.cloud.channel.v1.ListPurchasab"
-          + "leSkusRequest.ChangeOfferPurchase.Change"
-          + "TypeB\003\340A\002\"E\n\nChangeType\022\033\n\027CHANGE_TYPE_U"
-          + "NSPECIFIED\020\000\022\013\n\007UPGRADE\020\001\022\r\n\tDOWNGRADE\020\002"
-          + "B\021\n\017purchase_option\"y\n\033ListPurchasableSk"
-          + "usResponse\022A\n\020purchasable_skus\030\001 \003(\0132\'.g"
-          + "oogle.cloud.channel.v1.PurchasableSku\022\027\n"
-          + "\017next_page_token\030\002 \001(\t\";\n\016PurchasableSku"
-          + "\022)\n\003sku\030\001 \001(\0132\034.google.cloud.channel.v1."
-          + "Sku\"\230\004\n\034ListPurchasableOffersRequest\022v\n\033"
-          + "create_entitlement_purchase\030\002 \001(\0132O.goog"
-          + "le.cloud.channel.v1.ListPurchasableOffer"
-          + "sRequest.CreateEntitlementPurchaseH\000\022j\n\025"
-          + "change_offer_purchase\030\003 \001(\0132I.google.clo"
-          + "ud.channel.v1.ListPurchasableOffersReque"
-          + "st.ChangeOfferPurchaseH\000\022>\n\010customer\030\001 \001"
-          + "(\tB,\340A\002\372A&\n$cloudchannel.googleapis.com/"
-          + "Customer\022\026\n\tpage_size\030\004 \001(\005B\003\340A\001\022\027\n\npage"
-          + "_token\030\005 \001(\tB\003\340A\001\022\032\n\rlanguage_code\030\006 \001(\t"
-          + "B\003\340A\001\032-\n\031CreateEntitlementPurchase\022\020\n\003sk"
-          + "u\030\001 \001(\tB\003\340A\002\032E\n\023ChangeOfferPurchase\022\030\n\013e"
-          + "ntitlement\030\001 \001(\tB\003\340A\002\022\024\n\007new_sku\030\002 \001(\tB\003"
-          + "\340A\001B\021\n\017purchase_option\"\177\n\035ListPurchasabl"
-          + "eOffersResponse\022E\n\022purchasable_offers\030\001 "
-          + "\003(\0132).google.cloud.channel.v1.Purchasabl"
-          + "eOffer\022\027\n\017next_page_token\030\002 \001(\t\"A\n\020Purch"
-          + "asableOffer\022-\n\005offer\030\001 \001(\0132\036.google.clou"
-          + "d.channel.v1.Offer\"O\n\031RegisterSubscriber"
-          + "Request\022\024\n\007account\030\001 \001(\tB\003\340A\002\022\034\n\017service"
-          + "_account\030\002 \001(\tB\003\340A\002\"+\n\032RegisterSubscribe"
-          + "rResponse\022\r\n\005topic\030\001 \001(\t\"Q\n\033UnregisterSu"
-          + "bscriberRequest\022\024\n\007account\030\001 \001(\tB\003\340A\002\022\034\n"
-          + "\017service_account\030\002 \001(\tB\003\340A\002\"-\n\034Unregiste"
-          + "rSubscriberResponse\022\r\n\005topic\030\001 \001(\t\"_\n\026Li"
-          + "stSubscribersRequest\022\024\n\007account\030\001 \001(\tB\003\340"
-          + "A\002\022\026\n\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n\npage_token"
-          + "\030\003 \001(\tB\003\340A\001\"[\n\027ListSubscribersResponse\022\r"
-          + "\n\005topic\030\001 \001(\t\022\030\n\020service_accounts\030\002 \003(\t\022"
-          + "\027\n\017next_page_token\030\003 \001(\t2\3011\n\023CloudChanne"
-          + "lService\022\231\001\n\rListCustomers\022-.google.clou"
-          + "d.channel.v1.ListCustomersRequest\032..goog"
-          + "le.cloud.channel.v1.ListCustomersRespons"
-          + "e\")\202\323\344\223\002#\022!/v1/{parent=accounts/*}/custo"
-          + "mers\022\217\001\n\013GetCustomer\022+.google.cloud.chan"
-          + "nel.v1.GetCustomerRequest\032!.google.cloud"
-          + ".channel.v1.Customer\"0\202\323\344\223\002#\022!/v1/{name="
-          + "accounts/*/customers/*}\332A\004name\022\350\001\n\037Check"
-          + "CloudIdentityAccountsExist\022?.google.clou"
-          + "d.channel.v1.CheckCloudIdentityAccountsE"
-          + "xistRequest\032@.google.cloud.channel.v1.Ch"
-          + "eckCloudIdentityAccountsExistResponse\"B\202"
-          + "\323\344\223\002<\"7/v1/{parent=accounts/*}:checkClou"
-          + "dIdentityAccountsExist:\001*\022\230\001\n\016CreateCust"
-          + "omer\022..google.cloud.channel.v1.CreateCus"
-          + "tomerRequest\032!.google.cloud.channel.v1.C"
-          + "ustomer\"3\202\323\344\223\002-\"!/v1/{parent=accounts/*}"
-          + "/customers:\010customer\022\241\001\n\016UpdateCustomer\022"
-          + "..google.cloud.channel.v1.UpdateCustomer"
-          + "Request\032!.google.cloud.channel.v1.Custom"
-          + "er\"<\202\323\344\223\00262*/v1/{customer.name=accounts/"
-          + "*/customers/*}:\010customer\022\212\001\n\016DeleteCusto"
-          + "mer\022..google.cloud.channel.v1.DeleteCust"
-          + "omerRequest\032\026.google.protobuf.Empty\"0\202\323\344"
-          + "\223\002#*!/v1/{name=accounts/*/customers/*}\332A"
-          + "\004name\022\330\001\n\026ProvisionCloudIdentity\0226.googl"
-          + "e.cloud.channel.v1.ProvisionCloudIdentit"
-          + "yRequest\032\035.google.longrunning.Operation\""
-          + "g\202\323\344\223\002A\"</v1/{customer=accounts/*/custom"
-          + "ers/*}:provisionCloudIdentity:\001*\312A\035\n\010Cus"
-          + "tomer\022\021OperationMetadata\022\261\001\n\020ListEntitle"
-          + "ments\0220.google.cloud.channel.v1.ListEnti"
-          + "tlementsRequest\0321.google.cloud.channel.v"
-          + "1.ListEntitlementsResponse\"8\202\323\344\223\0022\0220/v1/"
-          + "{parent=accounts/*/customers/*}/entitlem"
-          + "ents\022\274\001\n\024ListTransferableSkus\0224.google.c"
-          + "loud.channel.v1.ListTransferableSkusRequ"
-          + "est\0325.google.cloud.channel.v1.ListTransf"
-          + "erableSkusResponse\"7\202\323\344\223\0021\",/v1/{parent="
-          + "accounts/*}:listTransferableSkus:\001*\022\304\001\n\026"
-          + "ListTransferableOffers\0226.google.cloud.ch"
-          + "annel.v1.ListTransferableOffersRequest\0327"
-          + ".google.cloud.channel.v1.ListTransferabl"
-          + "eOffersResponse\"9\202\323\344\223\0023\"./v1/{parent=acc"
-          + "ounts/*}:listTransferableOffers:\001*\022\240\001\n\016G"
-          + "etEntitlement\022..google.cloud.channel.v1."
-          + "GetEntitlementRequest\032$.google.cloud.cha"
-          + "nnel.v1.Entitlement\"8\202\323\344\223\0022\0220/v1/{name=a"
-          + "ccounts/*/customers/*/entitlements/*}\022\305\001"
-          + "\n\021CreateEntitlement\0221.google.cloud.chann"
-          + "el.v1.CreateEntitlementRequest\032\035.google."
-          + "longrunning.Operation\"^\202\323\344\223\0025\"0/v1/{pare"
-          + "nt=accounts/*/customers/*}/entitlements:"
-          + "\001*\312A \n\013Entitlement\022\021OperationMetadata\022\324\001"
-          + "\n\020ChangeParameters\0220.google.cloud.channe"
-          + "l.v1.ChangeParametersRequest\032\035.google.lo"
-          + "ngrunning.Operation\"o\202\323\344\223\002F\"A/v1/{name=a"
-          + "ccounts/*/customers/*/entitlements/*}:ch"
-          + "angeParameters:\001*\312A \n\013Entitlement\022\021Opera"
-          + "tionMetadata\022\343\001\n\025ChangeRenewalSettings\0225"
-          + ".google.cloud.channel.v1.ChangeRenewalSe"
-          + "ttingsRequest\032\035.google.longrunning.Opera"
-          + "tion\"t\202\323\344\223\002K\"F/v1/{name=accounts/*/custo"
-          + "mers/*/entitlements/*}:changeRenewalSett"
-          + "ings:\001*\312A \n\013Entitlement\022\021OperationMetada"
-          + "ta\022\305\001\n\013ChangeOffer\022+.google.cloud.channe"
-          + "l.v1.ChangeOfferRequest\032\035.google.longrun"
-          + "ning.Operation\"j\202\323\344\223\002A\"</v1/{name=accoun"
-          + "ts/*/customers/*/entitlements/*}:changeO"
-          + "ffer:\001*\312A \n\013Entitlement\022\021OperationMetada"
-          + "ta\022\324\001\n\020StartPaidService\0220.google.cloud.c"
-          + "hannel.v1.StartPaidServiceRequest\032\035.goog"
-          + "le.longrunning.Operation\"o\202\323\344\223\002F\"A/v1/{n"
-          + "ame=accounts/*/customers/*/entitlements/"
-          + "*}:startPaidService:\001*\312A \n\013Entitlement\022\021"
-          + "OperationMetadata\022\317\001\n\022SuspendEntitlement"
-          + "\0222.google.cloud.channel.v1.SuspendEntitl"
-          + "ementRequest\032\035.google.longrunning.Operat"
-          + "ion\"f\202\323\344\223\002=\"8/v1/{name=accounts/*/custom"
-          + "ers/*/entitlements/*}:suspend:\001*\312A \n\013Ent"
-          + "itlement\022\021OperationMetadata\022\326\001\n\021CancelEn"
-          + "titlement\0221.google.cloud.channel.v1.Canc"
-          + "elEntitlementRequest\032\035.google.longrunnin"
-          + "g.Operation\"o\202\323\344\223\002<\"7/v1/{name=accounts/"
-          + "*/customers/*/entitlements/*}:cancel:\001*\312"
-          + "A*\n\025google.protobuf.Empty\022\021OperationMeta"
-          + "data\022\322\001\n\023ActivateEntitlement\0223.google.cl"
-          + "oud.channel.v1.ActivateEntitlementReques"
-          + "t\032\035.google.longrunning.Operation\"g\202\323\344\223\002>"
-          + "\"9/v1/{name=accounts/*/customers/*/entit"
-          + "lements/*}:activate:\001*\312A \n\013Entitlement\022\021"
-          + "OperationMetadata\022\344\001\n\024TransferEntitlemen"
-          + "ts\0224.google.cloud.channel.v1.TransferEnt"
-          + "itlementsRequest\032\035.google.longrunning.Op"
-          + "eration\"w\202\323\344\223\002=\"8/v1/{parent=accounts/*/"
-          + "customers/*}:transferEntitlements:\001*\312A1\n"
-          + "\034TransferEntitlementsResponse\022\021Operation"
-          + "Metadata\022\365\001\n\034TransferEntitlementsToGoogl"
-          + "e\022<.google.cloud.channel.v1.TransferEnti"
-          + "tlementsToGoogleRequest\032\035.google.longrun"
-          + "ning.Operation\"x\202\323\344\223\002E\"@/v1/{parent=acco"
-          + "unts/*/customers/*}:transferEntitlements"
-          + "ToGoogle:\001*\312A*\n\025google.protobuf.Empty\022\021O"
-          + "perationMetadata\022\301\001\n\027ListChannelPartnerL"
-          + "inks\0227.google.cloud.channel.v1.ListChann"
-          + "elPartnerLinksRequest\0328.google.cloud.cha"
-          + "nnel.v1.ListChannelPartnerLinksResponse\""
-          + "3\202\323\344\223\002-\022+/v1/{parent=accounts/*}/channel"
-          + "PartnerLinks\022\260\001\n\025GetChannelPartnerLink\0225"
-          + ".google.cloud.channel.v1.GetChannelPartn"
-          + "erLinkRequest\032+.google.cloud.channel.v1."
-          + "ChannelPartnerLink\"3\202\323\344\223\002-\022+/v1/{name=ac"
-          + "counts/*/channelPartnerLinks/*}\022\314\001\n\030Crea"
-          + "teChannelPartnerLink\0228.google.cloud.chan"
-          + "nel.v1.CreateChannelPartnerLinkRequest\032+"
-          + ".google.cloud.channel.v1.ChannelPartnerL"
-          + "ink\"I\202\323\344\223\002C\"+/v1/{parent=accounts/*}/cha"
-          + "nnelPartnerLinks:\024channel_partner_link\022\271"
-          + "\001\n\030UpdateChannelPartnerLink\0228.google.clo"
-          + "ud.channel.v1.UpdateChannelPartnerLinkRe"
-          + "quest\032+.google.cloud.channel.v1.ChannelP"
-          + "artnerLink\"6\202\323\344\223\00202+/v1/{name=accounts/*"
-          + "/channelPartnerLinks/*}:\001*\022\201\001\n\014ListProdu"
-          + "cts\022,.google.cloud.channel.v1.ListProduc"
-          + "tsRequest\032-.google.cloud.channel.v1.List"
-          + "ProductsResponse\"\024\202\323\344\223\002\016\022\014/v1/products\022\205"
-          + "\001\n\010ListSkus\022(.google.cloud.channel.v1.Li"
-          + "stSkusRequest\032).google.cloud.channel.v1."
-          + "ListSkusResponse\"$\202\323\344\223\002\036\022\034/v1/{parent=pr"
-          + "oducts/*}/skus\022\215\001\n\nListOffers\022*.google.c"
-          + "loud.channel.v1.ListOffersRequest\032+.goog"
-          + "le.cloud.channel.v1.ListOffersResponse\"&"
-          + "\202\323\344\223\002 \022\036/v1/{parent=accounts/*}/offers\022\303"
-          + "\001\n\023ListPurchasableSkus\0223.google.cloud.ch"
-          + "annel.v1.ListPurchasableSkusRequest\0324.go"
-          + "ogle.cloud.channel.v1.ListPurchasableSku"
-          + "sResponse\"A\202\323\344\223\002;\0229/v1/{customer=account"
-          + "s/*/customers/*}:listPurchasableSkus\022\313\001\n"
-          + "\025ListPurchasableOffers\0225.google.cloud.ch"
-          + "annel.v1.ListPurchasableOffersRequest\0326."
-          + "google.cloud.channel.v1.ListPurchasableO"
-          + "ffersResponse\"C\202\323\344\223\002=\022;/v1/{customer=acc"
-          + "ounts/*/customers/*}:listPurchasableOffe"
-          + "rs\022\253\001\n\022RegisterSubscriber\0222.google.cloud"
-          + ".channel.v1.RegisterSubscriberRequest\0323."
-          + "google.cloud.channel.v1.RegisterSubscrib"
-          + "erResponse\",\202\323\344\223\002&\"!/v1/{account=account"
-          + "s/*}:register:\001*\022\263\001\n\024UnregisterSubscribe"
-          + "r\0224.google.cloud.channel.v1.UnregisterSu"
-          + "bscriberRequest\0325.google.cloud.channel.v"
-          + "1.UnregisterSubscriberResponse\".\202\323\344\223\002(\"#"
-          + "/v1/{account=accounts/*}:unregister:\001*\022\246"
-          + "\001\n\017ListSubscribers\022/.google.cloud.channe"
-          + "l.v1.ListSubscribersRequest\0320.google.clo"
-          + "ud.channel.v1.ListSubscribersResponse\"0\202"
-          + "\323\344\223\002*\022(/v1/{account=accounts/*}:listSubs"
-          + "cribers\032K\312A\033cloudchannel.googleapis.com\322"
-          + "A*https://www.googleapis.com/auth/apps.o"
-          + "rderBm\n\033com.google.cloud.channel.v1B\014Ser"
-          + "viceProtoP\001Z>google.golang.org/genproto/"
-          + "googleapis/cloud/channel/v1;channelb\006pro"
-          + "to3"
+          + " \001(\tB\003\340A\002\022\027\n\nrequest_id\030\003 \001(\tB\003\340A\001\"Z\n\022Lo"
+          + "okupOfferRequest\022D\n\013entitlement\030\001 \001(\tB/\340"
+          + "A\002\372A)\n\'cloudchannel.googleapis.com/Entit"
+          + "lement\"x\n\023ListProductsRequest\022\024\n\007account"
+          + "\030\001 \001(\tB\003\340A\002\022\026\n\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n\np"
+          + "age_token\030\003 \001(\tB\003\340A\001\022\032\n\rlanguage_code\030\004 "
+          + "\001(\tB\003\340A\001\"c\n\024ListProductsResponse\0222\n\010prod"
+          + "ucts\030\001 \003(\0132 .google.cloud.channel.v1.Pro"
+          + "duct\022\027\n\017next_page_token\030\002 \001(\t\"\261\001\n\017ListSk"
+          + "usRequest\022;\n\006parent\030\001 \001(\tB+\340A\002\372A%\n#cloud"
+          + "channel.googleapis.com/Product\022\024\n\007accoun"
+          + "t\030\002 \001(\tB\003\340A\002\022\026\n\tpage_size\030\003 \001(\005B\003\340A\001\022\027\n\n"
+          + "page_token\030\004 \001(\tB\003\340A\001\022\032\n\rlanguage_code\030\005"
+          + " \001(\tB\003\340A\001\"W\n\020ListSkusResponse\022*\n\004skus\030\001 "
+          + "\003(\0132\034.google.cloud.channel.v1.Sku\022\027\n\017nex"
+          + "t_page_token\030\002 \001(\t\"\212\001\n\021ListOffersRequest"
+          + "\022\023\n\006parent\030\001 \001(\tB\003\340A\002\022\026\n\tpage_size\030\002 \001(\005"
+          + "B\003\340A\001\022\027\n\npage_token\030\003 \001(\tB\003\340A\001\022\023\n\006filter"
+          + "\030\004 \001(\tB\003\340A\001\022\032\n\rlanguage_code\030\005 \001(\tB\003\340A\001\""
+          + "]\n\022ListOffersResponse\022.\n\006offers\030\001 \003(\0132\036."
+          + "google.cloud.channel.v1.Offer\022\027\n\017next_pa"
+          + "ge_token\030\002 \001(\t\"\266\005\n\032ListPurchasableSkusRe"
+          + "quest\022t\n\033create_entitlement_purchase\030\002 \001"
+          + "(\0132M.google.cloud.channel.v1.ListPurchas"
+          + "ableSkusRequest.CreateEntitlementPurchas"
+          + "eH\000\022h\n\025change_offer_purchase\030\003 \001(\0132G.goo"
+          + "gle.cloud.channel.v1.ListPurchasableSkus"
+          + "Request.ChangeOfferPurchaseH\000\022>\n\010custome"
+          + "r\030\001 \001(\tB,\340A\002\372A&\n$cloudchannel.googleapis"
+          + ".com/Customer\022\026\n\tpage_size\030\004 \001(\005B\003\340A\001\022\027\n"
+          + "\npage_token\030\005 \001(\tB\003\340A\001\022\032\n\rlanguage_code\030"
+          + "\006 \001(\tB\003\340A\001\0321\n\031CreateEntitlementPurchase\022"
+          + "\024\n\007product\030\001 \001(\tB\003\340A\002\032\344\001\n\023ChangeOfferPur"
+          + "chase\022\030\n\013entitlement\030\001 \001(\tB\003\340A\002\022l\n\013chang"
+          + "e_type\030\002 \001(\0162R.google.cloud.channel.v1.L"
+          + "istPurchasableSkusRequest.ChangeOfferPur"
+          + "chase.ChangeTypeB\003\340A\002\"E\n\nChangeType\022\033\n\027C"
+          + "HANGE_TYPE_UNSPECIFIED\020\000\022\013\n\007UPGRADE\020\001\022\r\n"
+          + "\tDOWNGRADE\020\002B\021\n\017purchase_option\"y\n\033ListP"
+          + "urchasableSkusResponse\022A\n\020purchasable_sk"
+          + "us\030\001 \003(\0132\'.google.cloud.channel.v1.Purch"
+          + "asableSku\022\027\n\017next_page_token\030\002 \001(\t\";\n\016Pu"
+          + "rchasableSku\022)\n\003sku\030\001 \001(\0132\034.google.cloud"
+          + ".channel.v1.Sku\"\230\004\n\034ListPurchasableOffer"
+          + "sRequest\022v\n\033create_entitlement_purchase\030"
+          + "\002 \001(\0132O.google.cloud.channel.v1.ListPurc"
+          + "hasableOffersRequest.CreateEntitlementPu"
+          + "rchaseH\000\022j\n\025change_offer_purchase\030\003 \001(\0132"
+          + "I.google.cloud.channel.v1.ListPurchasabl"
+          + "eOffersRequest.ChangeOfferPurchaseH\000\022>\n\010"
+          + "customer\030\001 \001(\tB,\340A\002\372A&\n$cloudchannel.goo"
+          + "gleapis.com/Customer\022\026\n\tpage_size\030\004 \001(\005B"
+          + "\003\340A\001\022\027\n\npage_token\030\005 \001(\tB\003\340A\001\022\032\n\rlanguag"
+          + "e_code\030\006 \001(\tB\003\340A\001\032-\n\031CreateEntitlementPu"
+          + "rchase\022\020\n\003sku\030\001 \001(\tB\003\340A\002\032E\n\023ChangeOfferP"
+          + "urchase\022\030\n\013entitlement\030\001 \001(\tB\003\340A\002\022\024\n\007new"
+          + "_sku\030\002 \001(\tB\003\340A\001B\021\n\017purchase_option\"\177\n\035Li"
+          + "stPurchasableOffersResponse\022E\n\022purchasab"
+          + "le_offers\030\001 \003(\0132).google.cloud.channel.v"
+          + "1.PurchasableOffer\022\027\n\017next_page_token\030\002 "
+          + "\001(\t\"A\n\020PurchasableOffer\022-\n\005offer\030\001 \001(\0132\036"
+          + ".google.cloud.channel.v1.Offer\"O\n\031Regist"
+          + "erSubscriberRequest\022\024\n\007account\030\001 \001(\tB\003\340A"
+          + "\002\022\034\n\017service_account\030\002 \001(\tB\003\340A\002\"+\n\032Regis"
+          + "terSubscriberResponse\022\r\n\005topic\030\001 \001(\t\"Q\n\033"
+          + "UnregisterSubscriberRequest\022\024\n\007account\030\001"
+          + " \001(\tB\003\340A\002\022\034\n\017service_account\030\002 \001(\tB\003\340A\002\""
+          + "-\n\034UnregisterSubscriberResponse\022\r\n\005topic"
+          + "\030\001 \001(\t\"_\n\026ListSubscribersRequest\022\024\n\007acco"
+          + "unt\030\001 \001(\tB\003\340A\002\022\026\n\tpage_size\030\002 \001(\005B\003\340A\001\022\027"
+          + "\n\npage_token\030\003 \001(\tB\003\340A\001\"[\n\027ListSubscribe"
+          + "rsResponse\022\r\n\005topic\030\001 \001(\t\022\030\n\020service_acc"
+          + "ounts\030\002 \003(\t\022\027\n\017next_page_token\030\003 \001(\t2\2615\n"
+          + "\023CloudChannelService\022\324\001\n\rListCustomers\022-"
+          + ".google.cloud.channel.v1.ListCustomersRe"
+          + "quest\032..google.cloud.channel.v1.ListCust"
+          + "omersResponse\"d\202\323\344\223\002^\022!/v1/{parent=accou"
+          + "nts/*}/customersZ9\0227/v1/{parent=accounts"
+          + "/*/channelPartnerLinks/*}/customers\022\312\001\n\013"
+          + "GetCustomer\022+.google.cloud.channel.v1.Ge"
+          + "tCustomerRequest\032!.google.cloud.channel."
+          + "v1.Customer\"k\202\323\344\223\002^\022!/v1/{name=accounts/"
+          + "*/customers/*}Z9\0227/v1/{name=accounts/*/c"
+          + "hannelPartnerLinks/*/customers/*}\332A\004name"
+          + "\022\350\001\n\037CheckCloudIdentityAccountsExist\022?.g"
+          + "oogle.cloud.channel.v1.CheckCloudIdentit"
+          + "yAccountsExistRequest\032@.google.cloud.cha"
+          + "nnel.v1.CheckCloudIdentityAccountsExistR"
+          + "esponse\"B\202\323\344\223\002<\"7/v1/{parent=accounts/*}"
+          + ":checkCloudIdentityAccountsExist:\001*\022\335\001\n\016"
+          + "CreateCustomer\022..google.cloud.channel.v1"
+          + ".CreateCustomerRequest\032!.google.cloud.ch"
+          + "annel.v1.Customer\"x\202\323\344\223\002r\"!/v1/{parent=a"
+          + "ccounts/*}/customers:\010customerZC\"7/v1/{p"
+          + "arent=accounts/*/channelPartnerLinks/*}/"
+          + "customers:\010customer\022\361\001\n\016UpdateCustomer\022."
+          + ".google.cloud.channel.v1.UpdateCustomerR"
+          + "equest\032!.google.cloud.channel.v1.Custome"
+          + "r\"\213\001\202\323\344\223\002\204\0012*/v1/{customer.name=accounts"
+          + "/*/customers/*}:\010customerZL2@/v1/{custom"
+          + "er.name=accounts/*/channelPartnerLinks/*"
+          + "/customers/*}:\010customer\022\305\001\n\016DeleteCustom"
+          + "er\022..google.cloud.channel.v1.DeleteCusto"
+          + "merRequest\032\026.google.protobuf.Empty\"k\202\323\344\223"
+          + "\002^*!/v1/{name=accounts/*/customers/*}Z9*"
+          + "7/v1/{name=accounts/*/channelPartnerLink"
+          + "s/*/customers/*}\332A\004name\022\330\001\n\026ProvisionClo"
+          + "udIdentity\0226.google.cloud.channel.v1.Pro"
+          + "visionCloudIdentityRequest\032\035.google.long"
+          + "running.Operation\"g\202\323\344\223\002A\"</v1/{customer"
+          + "=accounts/*/customers/*}:provisionCloudI"
+          + "dentity:\001*\312A\035\n\010Customer\022\021OperationMetada"
+          + "ta\022\261\001\n\020ListEntitlements\0220.google.cloud.c"
+          + "hannel.v1.ListEntitlementsRequest\0321.goog"
+          + "le.cloud.channel.v1.ListEntitlementsResp"
+          + "onse\"8\202\323\344\223\0022\0220/v1/{parent=accounts/*/cus"
+          + "tomers/*}/entitlements\022\274\001\n\024ListTransfera"
+          + "bleSkus\0224.google.cloud.channel.v1.ListTr"
+          + "ansferableSkusRequest\0325.google.cloud.cha"
+          + "nnel.v1.ListTransferableSkusResponse\"7\202\323"
+          + "\344\223\0021\",/v1/{parent=accounts/*}:listTransf"
+          + "erableSkus:\001*\022\304\001\n\026ListTransferableOffers"
+          + "\0226.google.cloud.channel.v1.ListTransfera"
+          + "bleOffersRequest\0327.google.cloud.channel."
+          + "v1.ListTransferableOffersResponse\"9\202\323\344\223\002"
+          + "3\"./v1/{parent=accounts/*}:listTransfera"
+          + "bleOffers:\001*\022\240\001\n\016GetEntitlement\022..google"
+          + ".cloud.channel.v1.GetEntitlementRequest\032"
+          + "$.google.cloud.channel.v1.Entitlement\"8\202"
+          + "\323\344\223\0022\0220/v1/{name=accounts/*/customers/*/"
+          + "entitlements/*}\022\305\001\n\021CreateEntitlement\0221."
+          + "google.cloud.channel.v1.CreateEntitlemen"
+          + "tRequest\032\035.google.longrunning.Operation\""
+          + "^\202\323\344\223\0025\"0/v1/{parent=accounts/*/customer"
+          + "s/*}/entitlements:\001*\312A \n\013Entitlement\022\021Op"
+          + "erationMetadata\022\324\001\n\020ChangeParameters\0220.g"
+          + "oogle.cloud.channel.v1.ChangeParametersR"
+          + "equest\032\035.google.longrunning.Operation\"o\202"
+          + "\323\344\223\002F\"A/v1/{name=accounts/*/customers/*/"
+          + "entitlements/*}:changeParameters:\001*\312A \n\013"
+          + "Entitlement\022\021OperationMetadata\022\343\001\n\025Chang"
+          + "eRenewalSettings\0225.google.cloud.channel."
+          + "v1.ChangeRenewalSettingsRequest\032\035.google"
+          + ".longrunning.Operation\"t\202\323\344\223\002K\"F/v1/{nam"
+          + "e=accounts/*/customers/*/entitlements/*}"
+          + ":changeRenewalSettings:\001*\312A \n\013Entitlemen"
+          + "t\022\021OperationMetadata\022\305\001\n\013ChangeOffer\022+.g"
+          + "oogle.cloud.channel.v1.ChangeOfferReques"
+          + "t\032\035.google.longrunning.Operation\"j\202\323\344\223\002A"
+          + "\"</v1/{name=accounts/*/customers/*/entit"
+          + "lements/*}:changeOffer:\001*\312A \n\013Entitlemen"
+          + "t\022\021OperationMetadata\022\324\001\n\020StartPaidServic"
+          + "e\0220.google.cloud.channel.v1.StartPaidSer"
+          + "viceRequest\032\035.google.longrunning.Operati"
+          + "on\"o\202\323\344\223\002F\"A/v1/{name=accounts/*/custome"
+          + "rs/*/entitlements/*}:startPaidService:\001*"
+          + "\312A \n\013Entitlement\022\021OperationMetadata\022\317\001\n\022"
+          + "SuspendEntitlement\0222.google.cloud.channe"
+          + "l.v1.SuspendEntitlementRequest\032\035.google."
+          + "longrunning.Operation\"f\202\323\344\223\002=\"8/v1/{name"
+          + "=accounts/*/customers/*/entitlements/*}:"
+          + "suspend:\001*\312A \n\013Entitlement\022\021OperationMet"
+          + "adata\022\326\001\n\021CancelEntitlement\0221.google.clo"
+          + "ud.channel.v1.CancelEntitlementRequest\032\035"
+          + ".google.longrunning.Operation\"o\202\323\344\223\002<\"7/"
+          + "v1/{name=accounts/*/customers/*/entitlem"
+          + "ents/*}:cancel:\001*\312A*\n\025google.protobuf.Em"
+          + "pty\022\021OperationMetadata\022\322\001\n\023ActivateEntit"
+          + "lement\0223.google.cloud.channel.v1.Activat"
+          + "eEntitlementRequest\032\035.google.longrunning"
+          + ".Operation\"g\202\323\344\223\002>\"9/v1/{name=accounts/*"
+          + "/customers/*/entitlements/*}:activate:\001*"
+          + "\312A \n\013Entitlement\022\021OperationMetadata\022\344\001\n\024"
+          + "TransferEntitlements\0224.google.cloud.chan"
+          + "nel.v1.TransferEntitlementsRequest\032\035.goo"
+          + "gle.longrunning.Operation\"w\202\323\344\223\002=\"8/v1/{"
+          + "parent=accounts/*/customers/*}:transferE"
+          + "ntitlements:\001*\312A1\n\034TransferEntitlementsR"
+          + "esponse\022\021OperationMetadata\022\365\001\n\034TransferE"
+          + "ntitlementsToGoogle\022<.google.cloud.chann"
+          + "el.v1.TransferEntitlementsToGoogleReques"
+          + "t\032\035.google.longrunning.Operation\"x\202\323\344\223\002E"
+          + "\"@/v1/{parent=accounts/*/customers/*}:tr"
+          + "ansferEntitlementsToGoogle:\001*\312A*\n\025google"
+          + ".protobuf.Empty\022\021OperationMetadata\022\301\001\n\027L"
+          + "istChannelPartnerLinks\0227.google.cloud.ch"
+          + "annel.v1.ListChannelPartnerLinksRequest\032"
+          + "8.google.cloud.channel.v1.ListChannelPar"
+          + "tnerLinksResponse\"3\202\323\344\223\002-\022+/v1/{parent=a"
+          + "ccounts/*}/channelPartnerLinks\022\260\001\n\025GetCh"
+          + "annelPartnerLink\0225.google.cloud.channel."
+          + "v1.GetChannelPartnerLinkRequest\032+.google"
+          + ".cloud.channel.v1.ChannelPartnerLink\"3\202\323"
+          + "\344\223\002-\022+/v1/{name=accounts/*/channelPartne"
+          + "rLinks/*}\022\314\001\n\030CreateChannelPartnerLink\0228"
+          + ".google.cloud.channel.v1.CreateChannelPa"
+          + "rtnerLinkRequest\032+.google.cloud.channel."
+          + "v1.ChannelPartnerLink\"I\202\323\344\223\002C\"+/v1/{pare"
+          + "nt=accounts/*}/channelPartnerLinks:\024chan"
+          + "nel_partner_link\022\271\001\n\030UpdateChannelPartne"
+          + "rLink\0228.google.cloud.channel.v1.UpdateCh"
+          + "annelPartnerLinkRequest\032+.google.cloud.c"
+          + "hannel.v1.ChannelPartnerLink\"6\202\323\344\223\00202+/v"
+          + "1/{name=accounts/*/channelPartnerLinks/*"
+          + "}:\001*\022\247\001\n\013LookupOffer\022+.google.cloud.chan"
+          + "nel.v1.LookupOfferRequest\032\036.google.cloud"
+          + ".channel.v1.Offer\"K\202\323\344\223\002E\022C/v1/{entitlem"
+          + "ent=accounts/*/customers/*/entitlements/"
+          + "*}:lookupOffer\022\201\001\n\014ListProducts\022,.google"
+          + ".cloud.channel.v1.ListProductsRequest\032-."
+          + "google.cloud.channel.v1.ListProductsResp"
+          + "onse\"\024\202\323\344\223\002\016\022\014/v1/products\022\205\001\n\010ListSkus\022"
+          + "(.google.cloud.channel.v1.ListSkusReques"
+          + "t\032).google.cloud.channel.v1.ListSkusResp"
+          + "onse\"$\202\323\344\223\002\036\022\034/v1/{parent=products/*}/sk"
+          + "us\022\215\001\n\nListOffers\022*.google.cloud.channel"
+          + ".v1.ListOffersRequest\032+.google.cloud.cha"
+          + "nnel.v1.ListOffersResponse\"&\202\323\344\223\002 \022\036/v1/"
+          + "{parent=accounts/*}/offers\022\303\001\n\023ListPurch"
+          + "asableSkus\0223.google.cloud.channel.v1.Lis"
+          + "tPurchasableSkusRequest\0324.google.cloud.c"
+          + "hannel.v1.ListPurchasableSkusResponse\"A\202"
+          + "\323\344\223\002;\0229/v1/{customer=accounts/*/customer"
+          + "s/*}:listPurchasableSkus\022\313\001\n\025ListPurchas"
+          + "ableOffers\0225.google.cloud.channel.v1.Lis"
+          + "tPurchasableOffersRequest\0326.google.cloud"
+          + ".channel.v1.ListPurchasableOffersRespons"
+          + "e\"C\202\323\344\223\002=\022;/v1/{customer=accounts/*/cust"
+          + "omers/*}:listPurchasableOffers\022\253\001\n\022Regis"
+          + "terSubscriber\0222.google.cloud.channel.v1."
+          + "RegisterSubscriberRequest\0323.google.cloud"
+          + ".channel.v1.RegisterSubscriberResponse\","
+          + "\202\323\344\223\002&\"!/v1/{account=accounts/*}:registe"
+          + "r:\001*\022\263\001\n\024UnregisterSubscriber\0224.google.c"
+          + "loud.channel.v1.UnregisterSubscriberRequ"
+          + "est\0325.google.cloud.channel.v1.Unregister"
+          + "SubscriberResponse\".\202\323\344\223\002(\"#/v1/{account"
+          + "=accounts/*}:unregister:\001*\022\246\001\n\017ListSubsc"
+          + "ribers\022/.google.cloud.channel.v1.ListSub"
+          + "scribersRequest\0320.google.cloud.channel.v"
+          + "1.ListSubscribersResponse\"0\202\323\344\223\002*\022(/v1/{"
+          + "account=accounts/*}:listSubscribers\032K\312A\033"
+          + "cloudchannel.googleapis.com\322A*https://ww"
+          + "w.googleapis.com/auth/apps.orderBm\n\033com."
+          + "google.cloud.channel.v1B\014ServiceProtoP\001Z"
+          + ">google.golang.org/genproto/googleapis/c"
+          + "loud/channel/v1;channelb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -922,8 +940,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Name", "RequestId",
             });
-    internal_static_google_cloud_channel_v1_ListProductsRequest_descriptor =
+    internal_static_google_cloud_channel_v1_LookupOfferRequest_descriptor =
         getDescriptor().getMessageTypes().get(34);
+    internal_static_google_cloud_channel_v1_LookupOfferRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_channel_v1_LookupOfferRequest_descriptor,
+            new java.lang.String[] {
+              "Entitlement",
+            });
+    internal_static_google_cloud_channel_v1_ListProductsRequest_descriptor =
+        getDescriptor().getMessageTypes().get(35);
     internal_static_google_cloud_channel_v1_ListProductsRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListProductsRequest_descriptor,
@@ -931,7 +957,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Account", "PageSize", "PageToken", "LanguageCode",
             });
     internal_static_google_cloud_channel_v1_ListProductsResponse_descriptor =
-        getDescriptor().getMessageTypes().get(35);
+        getDescriptor().getMessageTypes().get(36);
     internal_static_google_cloud_channel_v1_ListProductsResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListProductsResponse_descriptor,
@@ -939,7 +965,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Products", "NextPageToken",
             });
     internal_static_google_cloud_channel_v1_ListSkusRequest_descriptor =
-        getDescriptor().getMessageTypes().get(36);
+        getDescriptor().getMessageTypes().get(37);
     internal_static_google_cloud_channel_v1_ListSkusRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListSkusRequest_descriptor,
@@ -947,7 +973,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "Account", "PageSize", "PageToken", "LanguageCode",
             });
     internal_static_google_cloud_channel_v1_ListSkusResponse_descriptor =
-        getDescriptor().getMessageTypes().get(37);
+        getDescriptor().getMessageTypes().get(38);
     internal_static_google_cloud_channel_v1_ListSkusResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListSkusResponse_descriptor,
@@ -955,7 +981,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Skus", "NextPageToken",
             });
     internal_static_google_cloud_channel_v1_ListOffersRequest_descriptor =
-        getDescriptor().getMessageTypes().get(38);
+        getDescriptor().getMessageTypes().get(39);
     internal_static_google_cloud_channel_v1_ListOffersRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListOffersRequest_descriptor,
@@ -963,7 +989,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "PageSize", "PageToken", "Filter", "LanguageCode",
             });
     internal_static_google_cloud_channel_v1_ListOffersResponse_descriptor =
-        getDescriptor().getMessageTypes().get(39);
+        getDescriptor().getMessageTypes().get(40);
     internal_static_google_cloud_channel_v1_ListOffersResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListOffersResponse_descriptor,
@@ -971,7 +997,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Offers", "NextPageToken",
             });
     internal_static_google_cloud_channel_v1_ListPurchasableSkusRequest_descriptor =
-        getDescriptor().getMessageTypes().get(40);
+        getDescriptor().getMessageTypes().get(41);
     internal_static_google_cloud_channel_v1_ListPurchasableSkusRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListPurchasableSkusRequest_descriptor,
@@ -1005,7 +1031,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Entitlement", "ChangeType",
             });
     internal_static_google_cloud_channel_v1_ListPurchasableSkusResponse_descriptor =
-        getDescriptor().getMessageTypes().get(41);
+        getDescriptor().getMessageTypes().get(42);
     internal_static_google_cloud_channel_v1_ListPurchasableSkusResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListPurchasableSkusResponse_descriptor,
@@ -1013,7 +1039,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "PurchasableSkus", "NextPageToken",
             });
     internal_static_google_cloud_channel_v1_PurchasableSku_descriptor =
-        getDescriptor().getMessageTypes().get(42);
+        getDescriptor().getMessageTypes().get(43);
     internal_static_google_cloud_channel_v1_PurchasableSku_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_PurchasableSku_descriptor,
@@ -1021,7 +1047,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Sku",
             });
     internal_static_google_cloud_channel_v1_ListPurchasableOffersRequest_descriptor =
-        getDescriptor().getMessageTypes().get(43);
+        getDescriptor().getMessageTypes().get(44);
     internal_static_google_cloud_channel_v1_ListPurchasableOffersRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListPurchasableOffersRequest_descriptor,
@@ -1055,7 +1081,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Entitlement", "NewSku",
             });
     internal_static_google_cloud_channel_v1_ListPurchasableOffersResponse_descriptor =
-        getDescriptor().getMessageTypes().get(44);
+        getDescriptor().getMessageTypes().get(45);
     internal_static_google_cloud_channel_v1_ListPurchasableOffersResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListPurchasableOffersResponse_descriptor,
@@ -1063,7 +1089,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "PurchasableOffers", "NextPageToken",
             });
     internal_static_google_cloud_channel_v1_PurchasableOffer_descriptor =
-        getDescriptor().getMessageTypes().get(45);
+        getDescriptor().getMessageTypes().get(46);
     internal_static_google_cloud_channel_v1_PurchasableOffer_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_PurchasableOffer_descriptor,
@@ -1071,7 +1097,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Offer",
             });
     internal_static_google_cloud_channel_v1_RegisterSubscriberRequest_descriptor =
-        getDescriptor().getMessageTypes().get(46);
+        getDescriptor().getMessageTypes().get(47);
     internal_static_google_cloud_channel_v1_RegisterSubscriberRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_RegisterSubscriberRequest_descriptor,
@@ -1079,7 +1105,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Account", "ServiceAccount",
             });
     internal_static_google_cloud_channel_v1_RegisterSubscriberResponse_descriptor =
-        getDescriptor().getMessageTypes().get(47);
+        getDescriptor().getMessageTypes().get(48);
     internal_static_google_cloud_channel_v1_RegisterSubscriberResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_RegisterSubscriberResponse_descriptor,
@@ -1087,7 +1113,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Topic",
             });
     internal_static_google_cloud_channel_v1_UnregisterSubscriberRequest_descriptor =
-        getDescriptor().getMessageTypes().get(48);
+        getDescriptor().getMessageTypes().get(49);
     internal_static_google_cloud_channel_v1_UnregisterSubscriberRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_UnregisterSubscriberRequest_descriptor,
@@ -1095,7 +1121,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Account", "ServiceAccount",
             });
     internal_static_google_cloud_channel_v1_UnregisterSubscriberResponse_descriptor =
-        getDescriptor().getMessageTypes().get(49);
+        getDescriptor().getMessageTypes().get(50);
     internal_static_google_cloud_channel_v1_UnregisterSubscriberResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_UnregisterSubscriberResponse_descriptor,
@@ -1103,7 +1129,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Topic",
             });
     internal_static_google_cloud_channel_v1_ListSubscribersRequest_descriptor =
-        getDescriptor().getMessageTypes().get(50);
+        getDescriptor().getMessageTypes().get(51);
     internal_static_google_cloud_channel_v1_ListSubscribersRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListSubscribersRequest_descriptor,
@@ -1111,7 +1137,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Account", "PageSize", "PageToken",
             });
     internal_static_google_cloud_channel_v1_ListSubscribersResponse_descriptor =
-        getDescriptor().getMessageTypes().get(51);
+        getDescriptor().getMessageTypes().get(52);
     internal_static_google_cloud_channel_v1_ListSubscribersResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_channel_v1_ListSubscribersResponse_descriptor,
diff --git a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/SubscriberEventProto.java b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/SubscriberEventProto.java
index 1136924a..262c8b4a 100644
--- a/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/SubscriberEventProto.java
+++ b/proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/SubscriberEventProto.java
@@ -57,24 +57,25 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "loud.channel.v1.CustomerEvent.Type\"U\n\004Ty"
           + "pe\022\024\n\020TYPE_UNSPECIFIED\020\000\022\032\n\026PRIMARY_DOMA"
           + "IN_CHANGED\020\001\022\033\n\027PRIMARY_DOMAIN_VERIFIED\020"
-          + "\002\"\230\003\n\020EntitlementEvent\022A\n\013entitlement\030\001 "
+          + "\002\"\261\003\n\020EntitlementEvent\022A\n\013entitlement\030\001 "
           + "\001(\tB,\372A)\n\'cloudchannel.googleapis.com/En"
           + "titlement\022B\n\nevent_type\030\002 \001(\0162..google.c"
-          + "loud.channel.v1.EntitlementEvent.Type\"\374\001"
+          + "loud.channel.v1.EntitlementEvent.Type\"\225\002"
           + "\n\004Type\022\024\n\020TYPE_UNSPECIFIED\020\000\022\013\n\007CREATED\020"
           + "\001\022\027\n\023PRICE_PLAN_SWITCHED\020\003\022\026\n\022COMMITMENT"
           + "_CHANGED\020\004\022\013\n\007RENEWED\020\005\022\r\n\tSUSPENDED\020\006\022\r"
           + "\n\tACTIVATED\020\007\022\r\n\tCANCELLED\020\010\022\017\n\013SKU_CHAN"
           + "GED\020\t\022\033\n\027RENEWAL_SETTING_CHANGED\020\n\022\030\n\024PA"
           + "ID_SERVICE_STARTED\020\013\022\036\n\032LICENSE_ASSIGNME"
-          + "NT_CHANGED\020\014\"\244\001\n\017SubscriberEvent\022@\n\016cust"
-          + "omer_event\030\001 \001(\0132&.google.cloud.channel."
-          + "v1.CustomerEventH\000\022F\n\021entitlement_event\030"
-          + "\002 \001(\0132).google.cloud.channel.v1.Entitlem"
-          + "entEventH\000B\007\n\005eventBu\n\033com.google.cloud."
-          + "channel.v1B\024SubscriberEventProtoP\001Z>goog"
-          + "le.golang.org/genproto/googleapis/cloud/"
-          + "channel/v1;channelb\006proto3"
+          + "NT_CHANGED\020\014\022\027\n\023LICENSE_CAP_CHANGED\020\r\"\244\001"
+          + "\n\017SubscriberEvent\022@\n\016customer_event\030\001 \001("
+          + "\0132&.google.cloud.channel.v1.CustomerEven"
+          + "tH\000\022F\n\021entitlement_event\030\002 \001(\0132).google."
+          + "cloud.channel.v1.EntitlementEventH\000B\007\n\005e"
+          + "ventBu\n\033com.google.cloud.channel.v1B\024Sub"
+          + "scriberEventProtoP\001Z>google.golang.org/g"
+          + "enproto/googleapis/cloud/channel/v1;chan"
+          + "nelb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
diff --git a/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/customers.proto b/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/customers.proto
index f41d7e0b..3ba96c0a 100644
--- a/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/customers.proto
+++ b/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/customers.proto
@@ -42,36 +42,33 @@ message Customer {
   // Required. Name of the organization that the customer entity represents.
   string org_display_name = 2 [(google.api.field_behavior) = REQUIRED];
 
-  // Required. Address of the organization of the customer entity.
-  // Region and zip codes are required to enforce US laws and embargoes.
-  // Valid address lines are required for all customers.
-  // Language code is discarded. Use the Customer-level language code to set the
-  // customer's language.
+  // Required. The organization address for the customer. To enforce US laws and
+  // embargoes, we require a region and zip code. You must provide valid
+  // addresses for every customer. To set the customer's language, use the
+  // Customer-level language code.
   google.type.PostalAddress org_postal_address = 3 [(google.api.field_behavior) = REQUIRED];
 
   // Primary contact info.
   ContactInfo primary_contact_info = 4;
 
-  // Secondary contact email.
-  // Alternate email and primary contact email are required to have different
-  // domains if primary contact email is present.
-  // When creating admin.google.com accounts, users get notified credentials at
-  // this email. This email address is also used as a recovery email.
+  // Secondary contact email. You need to provide an alternate email to create
+  // different domains if a primary contact email already exists. Users will
+  // receive a notification with credentials when you create an admin.google.com
+  // account. Secondary emails are also recovery email addresses.
   string alternate_email = 5;
 
-  // Required. Primary domain used by the customer.
-  // Domain of primary contact email is required to be same as the provided
-  // domain.
+  // Required. The customer's primary domain. Must match the primary contact
+  // email's domain.
   string domain = 6 [(google.api.field_behavior) = REQUIRED];
 
-  // Output only. The time at which the customer is created.
+  // Output only. Time when the customer was created.
   google.protobuf.Timestamp create_time = 7 [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // Output only. The time at which the customer is updated.
+  // Output only. Time when the customer was updated.
   google.protobuf.Timestamp update_time = 8 [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // Output only. Customer's cloud_identity_id.
-  // Populated only if a Cloud Identity resource exists for this customer.
+  // Output only. The customer's Cloud Identity ID if the customer has a Cloud
+  // Identity resource.
   string cloud_identity_id = 9 [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Optional. The BCP-47 language code, such as "en-US" or "sr-Latn". For more
@@ -90,25 +87,24 @@ message Customer {
 
 // Contact information for a customer account.
 message ContactInfo {
-  // First name of the contact in the customer account.
+  // The customer account contact's first name.
   string first_name = 1;
 
-  // Last name of the contact in the customer account.
+  // The customer account contact's last name.
   string last_name = 2;
 
-  // Output only. Display name of the contact in the customer account.
-  // Populated by combining customer first name and last name.
+  // Output only. The customer account contact's display name, formatted as a
+  // combination of the customer's first and last name.
   string display_name = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // Email of the contact in the customer account.
-  // Email is required for entitlements that need creation of admin.google.com
-  // accounts. The email will be the username used in credentials to access the
-  // admin.google.com account.
+  // The customer account's contact email. Required for entitlements that create
+  // admin.google.com accounts, and serves as the customer's username for those
+  // accounts.
   string email = 5;
 
-  // Optional. Job title of the contact in the customer account.
+  // Optional. The customer account contact's job title.
   string title = 6 [(google.api.field_behavior) = OPTIONAL];
 
-  // Phone number of the contact in the customer account.
+  // The customer account's contact phone number.
   string phone = 7;
 }
diff --git a/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/service.proto b/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/service.proto
index d8954ee7..62aa3cd7 100644
--- a/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/service.proto
+++ b/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/service.proto
@@ -71,10 +71,13 @@ service CloudChannelService {
   rpc ListCustomers(ListCustomersRequest) returns (ListCustomersResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=accounts/*}/customers"
+      additional_bindings {
+        get: "/v1/{parent=accounts/*/channelPartnerLinks/*}/customers"
+      }
     };
   }
 
-  // Returns a requested [Customer][google.cloud.channel.v1.Customer] resource.
+  // Returns the requested [Customer][google.cloud.channel.v1.Customer] resource.
   //
   // Possible error codes:
   //
@@ -89,6 +92,9 @@ service CloudChannelService {
   rpc GetCustomer(GetCustomerRequest) returns (Customer) {
     option (google.api.http) = {
       get: "/v1/{name=accounts/*/customers/*}"
+      additional_bindings {
+        get: "/v1/{name=accounts/*/channelPartnerLinks/*/customers/*}"
+      }
     };
     option (google.api.method_signature) = "name";
   }
@@ -133,6 +139,10 @@ service CloudChannelService {
     option (google.api.http) = {
       post: "/v1/{parent=accounts/*}/customers"
       body: "customer"
+      additional_bindings {
+        post: "/v1/{parent=accounts/*/channelPartnerLinks/*}/customers"
+        body: "customer"
+      }
     };
   }
 
@@ -152,10 +162,14 @@ service CloudChannelService {
     option (google.api.http) = {
       patch: "/v1/{customer.name=accounts/*/customers/*}"
       body: "customer"
+      additional_bindings {
+        patch: "/v1/{customer.name=accounts/*/channelPartnerLinks/*/customers/*}"
+        body: "customer"
+      }
     };
   }
 
-  // Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently and irreversibly.
+  // Deletes the given [Customer][google.cloud.channel.v1.Customer] permanently.
   //
   // Possible error codes:
   //
@@ -167,6 +181,9 @@ service CloudChannelService {
   rpc DeleteCustomer(DeleteCustomerRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/v1/{name=accounts/*/customers/*}"
+      additional_bindings {
+        delete: "/v1/{name=accounts/*/channelPartnerLinks/*/customers/*}"
+      }
     };
     option (google.api.method_signature) = "name";
   }
@@ -268,7 +285,7 @@ service CloudChannelService {
     };
   }
 
-  // Returns a requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
+  // Returns the requested [Entitlement][google.cloud.channel.v1.Entitlement] resource.
   //
   // Possible error codes:
   //
@@ -670,7 +687,7 @@ service CloudChannelService {
     };
   }
 
-  // Returns a requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
+  // Returns the requested [ChannelPartnerLink][google.cloud.channel.v1.ChannelPartnerLink] resource.
   // You must be a distributor to call this method.
   //
   // Possible error codes:
@@ -746,6 +763,22 @@ service CloudChannelService {
     };
   }
 
+  // Returns the requested [Offer][google.cloud.channel.v1.Offer] resource.
+  //
+  // Possible error codes:
+  //
+  // * PERMISSION_DENIED: The entitlement doesn't belong to the reseller.
+  // * INVALID_ARGUMENT: Required request parameters are missing or invalid.
+  // * NOT_FOUND: Entitlement or offer was not found.
+  //
+  // Return value:
+  // The [Offer][google.cloud.channel.v1.Offer] resource.
+  rpc LookupOffer(LookupOfferRequest) returns (Offer) {
+    option (google.api.http) = {
+      get: "/v1/{entitlement=accounts/*/customers/*/entitlements/*}:lookupOffer"
+    };
+  }
+
   // Lists the Products the reseller is authorized to sell.
   //
   // Possible error codes:
@@ -1508,6 +1541,19 @@ message ActivateEntitlementRequest {
   string request_id = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
+// Request message for LookupOffer.
+message LookupOfferRequest {
+  // Required. The resource name of the entitlement to retrieve the Offer.
+  // Entitlement uses the format:
+  // accounts/{account_id}/customers/{customer_id}/entitlements/{entitlement_id}
+  string entitlement = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "cloudchannel.googleapis.com/Entitlement"
+    }
+  ];
+}
+
 // Request message for ListProducts.
 message ListProductsRequest {
   // Required. The resource name of the reseller account.
diff --git a/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/subscriber_event.proto b/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/subscriber_event.proto
index a45c47e7..3b6ec045 100644
--- a/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/subscriber_event.proto
+++ b/proto-google-cloud-channel-v1/src/main/proto/google/cloud/channel/v1/subscriber_event.proto
@@ -90,6 +90,9 @@ message EntitlementEvent {
 
     // License was assigned to or revoked from a user.
     LICENSE_ASSIGNMENT_CHANGED = 12;
+
+    // License cap was changed for the entitlement.
+    LICENSE_CAP_CHANGED = 13;
   }
 
   // Resource name of an entitlement of the form:
diff --git a/synth.metadata b/synth.metadata
index eb181385..d59943c9 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-channel.git",
-        "sha": "40c490928d97f45ffafe84f09a5ee578dba85cd8"
+        "sha": "aedb38abe0d8e67fe5668b0dea16b1331fa979c9"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "a5f96d06ef57e325761bad010f460d0c5dbeccda",
-        "internalRef": "377081269"
+        "sha": "97d42c651f42bc3173b39ac8a9f97ea1d6b1196c",
+        "internalRef": "378177991"
       }
     },
     {
@@ -224,6 +224,8 @@
     "proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ListTransferableSkusRequestOrBuilder.java",
     "proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ListTransferableSkusResponse.java",
     "proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/ListTransferableSkusResponseOrBuilder.java",
+    "proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequest.java",
+    "proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/LookupOfferRequestOrBuilder.java",
     "proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/MarketingInfo.java",
     "proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/MarketingInfoOrBuilder.java",
     "proto-google-cloud-channel-v1/src/main/java/com/google/cloud/channel/v1/Media.java",