From ed7ae3d1e88c4a951f5649ee2c27a80195110e26 Mon Sep 17 00:00:00 2001
From: Yoshi Automation Bot <yoshi-automation@google.com>
Date: Fri, 19 Feb 2021 14:24:06 -0800
Subject: [PATCH] docs: generate sample code in the Java microgenerator (#25)

This PR was generated using Autosynth. :rainbow:

Synth log will be available here:
https://source.cloud.google.com/results/invocations/451b25a8-87ff-414f-8c57-e8e27a8ff40f/targets

- [ ] To automatically regenerate this PR, check this box.

PiperOrigin-RevId: 357800868
Source-Link: https://github.com/googleapis/googleapis/commit/e8bc4471a88ac5f60defe3ed436f517174e59ba0
PiperOrigin-RevId: 356341083
Source-Link: https://github.com/googleapis/googleapis/commit/8d8c008e56f1af31d57f75561e0f1848ffb29eeb
---
 .../v1alpha1/HubServiceClient.java            | 595 ++++++++++++++++++
 .../v1alpha1/package-info.java                |   7 +
 .../v1alpha1/stub/GrpcHubServiceStub.java     |  18 +
 .../v1alpha1/HubServiceClientTest.java        |  10 +
 .../v1alpha1/MockHubServiceImpl.java          |  78 ++-
 synth.metadata                                |   4 +-
 6 files changed, 700 insertions(+), 12 deletions(-)

diff --git a/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/HubServiceClient.java b/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/HubServiceClient.java
index 4f0434e7..7153768d 100644
--- a/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/HubServiceClient.java
+++ b/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/HubServiceClient.java
@@ -49,6 +49,13 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+ *   HubName name = HubName.of("[PROJECT]", "[HUB]");
+ *   Hub response = hubServiceClient.getHub(name);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the HubServiceClient object to clean up resources such as
  * threads. In the example above, try-with-resources is used, which automatically calls close().
  *
@@ -162,6 +169,17 @@ public final OperationsClient getOperationsClient() {
   /**
    * Lists Hubs in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   for (Hub element : hubServiceClient.listHubs(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The parent resource's name.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -175,6 +193,17 @@ public final ListHubsPagedResponse listHubs(LocationName parent) {
   /**
    * Lists Hubs in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
+   *   for (Hub element : hubServiceClient.listHubs(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The parent resource's name.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -187,6 +216,24 @@ public final ListHubsPagedResponse listHubs(String parent) {
   /**
    * Lists Hubs in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   ListHubsRequest request =
+   *       ListHubsRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .setOrderBy("orderBy-1207110587")
+   *           .build();
+   *   for (Hub element : hubServiceClient.listHubs(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</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
    */
@@ -199,6 +246,24 @@ public final ListHubsPagedResponse listHubs(ListHubsRequest request) {
    * Lists Hubs in a given project and location.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   ListHubsRequest request =
+   *       ListHubsRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .setOrderBy("orderBy-1207110587")
+   *           .build();
+   *   ApiFuture<Hub> future = hubServiceClient.listHubsPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Hub element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListHubsRequest, ListHubsPagedResponse> listHubsPagedCallable() {
     return stub.listHubsPagedCallable();
@@ -209,6 +274,23 @@ public final UnaryCallable<ListHubsRequest, ListHubsPagedResponse> listHubsPaged
    * Lists Hubs in a given project and location.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   while (true) {
+   *     ListHubsResponse response = hubServiceClient.listHubsCallable().call(request);
+   *     for (Hub element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListHubsRequest, ListHubsResponse> listHubsCallable() {
     return stub.listHubsCallable();
@@ -218,6 +300,15 @@ public final UnaryCallable<ListHubsRequest, ListHubsResponse> listHubsCallable()
   /**
    * Gets details of a single Hub.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   HubName name = HubName.of("[PROJECT]", "[HUB]");
+   *   Hub response = hubServiceClient.getHub(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. Name of the Hub resource to get.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -231,6 +322,15 @@ public final Hub getHub(HubName name) {
   /**
    * Gets details of a single Hub.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   String name = HubName.of("[PROJECT]", "[HUB]").toString();
+   *   Hub response = hubServiceClient.getHub(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. Name of the Hub resource to get.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -243,6 +343,16 @@ public final Hub getHub(String name) {
   /**
    * Gets details of a single Hub.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   GetHubRequest request =
+   *       GetHubRequest.newBuilder().setName(HubName.of("[PROJECT]", "[HUB]").toString()).build();
+   *   Hub response = hubServiceClient.getHub(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
    */
@@ -255,6 +365,16 @@ public final Hub getHub(GetHubRequest request) {
    * Gets details of a single Hub.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   GetHubRequest request =
+   *       GetHubRequest.newBuilder().setName(HubName.of("[PROJECT]", "[HUB]").toString()).build();
+   *   ApiFuture<Hub> future = hubServiceClient.getHubCallable().futureCall(request);
+   *   // Do something.
+   *   Hub response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetHubRequest, Hub> getHubCallable() {
     return stub.getHubCallable();
@@ -264,6 +384,17 @@ public final UnaryCallable<GetHubRequest, Hub> getHubCallable() {
   /**
    * Creates a new Hub in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   Hub hub = Hub.newBuilder().build();
+   *   String hubId = "hubId99628272";
+   *   Hub response = hubServiceClient.createHubAsync(parent, hub, hubId).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The parent resource's name of the Hub.
    * @param hub Required. Initial values for a new Hub.
    * @param hubId Optional. Unique id for the Hub to create.
@@ -284,6 +415,17 @@ public final OperationFuture<Hub, OperationMetadata> createHubAsync(
   /**
    * Creates a new Hub in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
+   *   Hub hub = Hub.newBuilder().build();
+   *   String hubId = "hubId99628272";
+   *   Hub response = hubServiceClient.createHubAsync(parent, hub, hubId).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The parent resource's name of the Hub.
    * @param hub Required. Initial values for a new Hub.
    * @param hubId Optional. Unique id for the Hub to create.
@@ -300,6 +442,21 @@ public final OperationFuture<Hub, OperationMetadata> createHubAsync(
   /**
    * Creates a new Hub in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   CreateHubRequest request =
+   *       CreateHubRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setHubId("hubId99628272")
+   *           .setHub(Hub.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Hub response = hubServiceClient.createHubAsync(request).get();
+   * }
+   * }</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
    */
@@ -312,6 +469,22 @@ public final OperationFuture<Hub, OperationMetadata> createHubAsync(CreateHubReq
    * Creates a new Hub in a given project and location.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   CreateHubRequest request =
+   *       CreateHubRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setHubId("hubId99628272")
+   *           .setHub(Hub.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Hub, OperationMetadata> future =
+   *       hubServiceClient.createHubOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Hub response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<CreateHubRequest, Hub, OperationMetadata>
       createHubOperationCallable() {
@@ -323,6 +496,21 @@ public final OperationFuture<Hub, OperationMetadata> createHubAsync(CreateHubReq
    * Creates a new Hub in a given project and location.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   CreateHubRequest request =
+   *       CreateHubRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setHubId("hubId99628272")
+   *           .setHub(Hub.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future = hubServiceClient.createHubCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateHubRequest, Operation> createHubCallable() {
     return stub.createHubCallable();
@@ -332,6 +520,16 @@ public final UnaryCallable<CreateHubRequest, Operation> createHubCallable() {
   /**
    * Updates the parameters of a single Hub.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   Hub hub = Hub.newBuilder().build();
+   *   FieldMask updateMask = FieldMask.newBuilder().build();
+   *   Hub response = hubServiceClient.updateHubAsync(hub, updateMask).get();
+   * }
+   * }</pre>
+   *
    * @param hub Required. The state that the Hub should be in after the update.
    * @param updateMask Optional. Field mask is used to specify the fields to be overwritten in the
    *     Hub resource by the update. The fields specified in the update_mask are relative to the
@@ -350,6 +548,20 @@ public final OperationFuture<Hub, OperationMetadata> updateHubAsync(
   /**
    * Updates the parameters of a single Hub.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   UpdateHubRequest request =
+   *       UpdateHubRequest.newBuilder()
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setHub(Hub.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Hub response = hubServiceClient.updateHubAsync(request).get();
+   * }
+   * }</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
    */
@@ -362,6 +574,21 @@ public final OperationFuture<Hub, OperationMetadata> updateHubAsync(UpdateHubReq
    * Updates the parameters of a single Hub.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   UpdateHubRequest request =
+   *       UpdateHubRequest.newBuilder()
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setHub(Hub.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Hub, OperationMetadata> future =
+   *       hubServiceClient.updateHubOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Hub response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<UpdateHubRequest, Hub, OperationMetadata>
       updateHubOperationCallable() {
@@ -373,6 +600,20 @@ public final OperationFuture<Hub, OperationMetadata> updateHubAsync(UpdateHubReq
    * Updates the parameters of a single Hub.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   UpdateHubRequest request =
+   *       UpdateHubRequest.newBuilder()
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setHub(Hub.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future = hubServiceClient.updateHubCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateHubRequest, Operation> updateHubCallable() {
     return stub.updateHubCallable();
@@ -382,6 +623,15 @@ public final UnaryCallable<UpdateHubRequest, Operation> updateHubCallable() {
   /**
    * Deletes a single Hub.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   HubName name = HubName.of("[PROJECT]", "[HUB]");
+   *   hubServiceClient.deleteHubAsync(name).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The name of the Hub to delete.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -395,6 +645,15 @@ public final OperationFuture<Empty, OperationMetadata> deleteHubAsync(HubName na
   /**
    * Deletes a single Hub.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   String name = HubName.of("[PROJECT]", "[HUB]").toString();
+   *   hubServiceClient.deleteHubAsync(name).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The name of the Hub to delete.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -407,6 +666,19 @@ public final OperationFuture<Empty, OperationMetadata> deleteHubAsync(String nam
   /**
    * Deletes a single Hub.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   DeleteHubRequest request =
+   *       DeleteHubRequest.newBuilder()
+   *           .setName(HubName.of("[PROJECT]", "[HUB]").toString())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   hubServiceClient.deleteHubAsync(request).get();
+   * }
+   * }</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
    */
@@ -419,6 +691,20 @@ public final OperationFuture<Empty, OperationMetadata> deleteHubAsync(DeleteHubR
    * Deletes a single Hub.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   DeleteHubRequest request =
+   *       DeleteHubRequest.newBuilder()
+   *           .setName(HubName.of("[PROJECT]", "[HUB]").toString())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Empty, OperationMetadata> future =
+   *       hubServiceClient.deleteHubOperationCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<DeleteHubRequest, Empty, OperationMetadata>
       deleteHubOperationCallable() {
@@ -430,6 +716,19 @@ public final OperationFuture<Empty, OperationMetadata> deleteHubAsync(DeleteHubR
    * Deletes a single Hub.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   DeleteHubRequest request =
+   *       DeleteHubRequest.newBuilder()
+   *           .setName(HubName.of("[PROJECT]", "[HUB]").toString())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future = hubServiceClient.deleteHubCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteHubRequest, Operation> deleteHubCallable() {
     return stub.deleteHubCallable();
@@ -439,6 +738,17 @@ public final UnaryCallable<DeleteHubRequest, Operation> deleteHubCallable() {
   /**
    * Lists Spokes in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   for (Spoke element : hubServiceClient.listSpokes(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The parent's resource name.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -452,6 +762,17 @@ public final ListSpokesPagedResponse listSpokes(LocationName parent) {
   /**
    * Lists Spokes in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
+   *   for (Spoke element : hubServiceClient.listSpokes(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The parent's resource name.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -464,6 +785,24 @@ public final ListSpokesPagedResponse listSpokes(String parent) {
   /**
    * Lists Spokes in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   ListSpokesRequest request =
+   *       ListSpokesRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .setOrderBy("orderBy-1207110587")
+   *           .build();
+   *   for (Spoke element : hubServiceClient.listSpokes(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</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
    */
@@ -476,6 +815,24 @@ public final ListSpokesPagedResponse listSpokes(ListSpokesRequest request) {
    * Lists Spokes in a given project and location.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   ListSpokesRequest request =
+   *       ListSpokesRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .setOrderBy("orderBy-1207110587")
+   *           .build();
+   *   ApiFuture<Spoke> future = hubServiceClient.listSpokesPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Spoke element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListSpokesRequest, ListSpokesPagedResponse> listSpokesPagedCallable() {
     return stub.listSpokesPagedCallable();
@@ -486,6 +843,23 @@ public final UnaryCallable<ListSpokesRequest, ListSpokesPagedResponse> listSpoke
    * Lists Spokes in a given project and location.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   while (true) {
+   *     ListSpokesResponse response = hubServiceClient.listSpokesCallable().call(request);
+   *     for (Spoke element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListSpokesRequest, ListSpokesResponse> listSpokesCallable() {
     return stub.listSpokesCallable();
@@ -495,6 +869,15 @@ public final UnaryCallable<ListSpokesRequest, ListSpokesResponse> listSpokesCall
   /**
    * Gets details of a single Spoke.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   SpokeName name = SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]");
+   *   Spoke response = hubServiceClient.getSpoke(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The name of Spoke resource.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -508,6 +891,15 @@ public final Spoke getSpoke(SpokeName name) {
   /**
    * Gets details of a single Spoke.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   String name = SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]").toString();
+   *   Spoke response = hubServiceClient.getSpoke(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The name of Spoke resource.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -520,6 +912,18 @@ public final Spoke getSpoke(String name) {
   /**
    * Gets details of a single Spoke.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   GetSpokeRequest request =
+   *       GetSpokeRequest.newBuilder()
+   *           .setName(SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]").toString())
+   *           .build();
+   *   Spoke response = hubServiceClient.getSpoke(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
    */
@@ -532,6 +936,18 @@ public final Spoke getSpoke(GetSpokeRequest request) {
    * Gets details of a single Spoke.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   GetSpokeRequest request =
+   *       GetSpokeRequest.newBuilder()
+   *           .setName(SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]").toString())
+   *           .build();
+   *   ApiFuture<Spoke> future = hubServiceClient.getSpokeCallable().futureCall(request);
+   *   // Do something.
+   *   Spoke response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetSpokeRequest, Spoke> getSpokeCallable() {
     return stub.getSpokeCallable();
@@ -541,6 +957,17 @@ public final UnaryCallable<GetSpokeRequest, Spoke> getSpokeCallable() {
   /**
    * Creates a new Spoke in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   Spoke spoke = Spoke.newBuilder().build();
+   *   String spokeId = "spokeId-1998996281";
+   *   Spoke response = hubServiceClient.createSpokeAsync(parent, spoke, spokeId).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The parent's resource name of the Spoke.
    * @param spoke Required. Initial values for a new Hub.
    * @param spokeId Optional. Unique id for the Spoke to create.
@@ -561,6 +988,17 @@ public final OperationFuture<Spoke, OperationMetadata> createSpokeAsync(
   /**
    * Creates a new Spoke in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
+   *   Spoke spoke = Spoke.newBuilder().build();
+   *   String spokeId = "spokeId-1998996281";
+   *   Spoke response = hubServiceClient.createSpokeAsync(parent, spoke, spokeId).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The parent's resource name of the Spoke.
    * @param spoke Required. Initial values for a new Hub.
    * @param spokeId Optional. Unique id for the Spoke to create.
@@ -581,6 +1019,21 @@ public final OperationFuture<Spoke, OperationMetadata> createSpokeAsync(
   /**
    * Creates a new Spoke in a given project and location.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   CreateSpokeRequest request =
+   *       CreateSpokeRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setSpokeId("spokeId-1998996281")
+   *           .setSpoke(Spoke.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Spoke response = hubServiceClient.createSpokeAsync(request).get();
+   * }
+   * }</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
    */
@@ -594,6 +1047,22 @@ public final OperationFuture<Spoke, OperationMetadata> createSpokeAsync(
    * Creates a new Spoke in a given project and location.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   CreateSpokeRequest request =
+   *       CreateSpokeRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setSpokeId("spokeId-1998996281")
+   *           .setSpoke(Spoke.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Spoke, OperationMetadata> future =
+   *       hubServiceClient.createSpokeOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Spoke response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<CreateSpokeRequest, Spoke, OperationMetadata>
       createSpokeOperationCallable() {
@@ -605,6 +1074,21 @@ public final OperationFuture<Spoke, OperationMetadata> createSpokeAsync(
    * Creates a new Spoke in a given project and location.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   CreateSpokeRequest request =
+   *       CreateSpokeRequest.newBuilder()
+   *           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .setSpokeId("spokeId-1998996281")
+   *           .setSpoke(Spoke.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future = hubServiceClient.createSpokeCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateSpokeRequest, Operation> createSpokeCallable() {
     return stub.createSpokeCallable();
@@ -614,6 +1098,16 @@ public final UnaryCallable<CreateSpokeRequest, Operation> createSpokeCallable()
   /**
    * Updates the parameters of a single Spoke.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   Spoke spoke = Spoke.newBuilder().build();
+   *   FieldMask updateMask = FieldMask.newBuilder().build();
+   *   Spoke response = hubServiceClient.updateSpokeAsync(spoke, updateMask).get();
+   * }
+   * }</pre>
+   *
    * @param spoke Required. The state that the Spoke should be in after the update.
    * @param updateMask Optional. Field mask is used to specify the fields to be overwritten in the
    *     Spoke resource by the update. The fields specified in the update_mask are relative to the
@@ -632,6 +1126,20 @@ public final OperationFuture<Spoke, OperationMetadata> updateSpokeAsync(
   /**
    * Updates the parameters of a single Spoke.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   UpdateSpokeRequest request =
+   *       UpdateSpokeRequest.newBuilder()
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setSpoke(Spoke.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Spoke response = hubServiceClient.updateSpokeAsync(request).get();
+   * }
+   * }</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
    */
@@ -645,6 +1153,21 @@ public final OperationFuture<Spoke, OperationMetadata> updateSpokeAsync(
    * Updates the parameters of a single Spoke.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   UpdateSpokeRequest request =
+   *       UpdateSpokeRequest.newBuilder()
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setSpoke(Spoke.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Spoke, OperationMetadata> future =
+   *       hubServiceClient.updateSpokeOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Spoke response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<UpdateSpokeRequest, Spoke, OperationMetadata>
       updateSpokeOperationCallable() {
@@ -656,6 +1179,20 @@ public final OperationFuture<Spoke, OperationMetadata> updateSpokeAsync(
    * Updates the parameters of a single Spoke.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   UpdateSpokeRequest request =
+   *       UpdateSpokeRequest.newBuilder()
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setSpoke(Spoke.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future = hubServiceClient.updateSpokeCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateSpokeRequest, Operation> updateSpokeCallable() {
     return stub.updateSpokeCallable();
@@ -665,6 +1202,15 @@ public final UnaryCallable<UpdateSpokeRequest, Operation> updateSpokeCallable()
   /**
    * Deletes a single Spoke.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   SpokeName name = SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]");
+   *   hubServiceClient.deleteSpokeAsync(name).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The name of the Spoke to delete.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -678,6 +1224,15 @@ public final OperationFuture<Empty, OperationMetadata> deleteSpokeAsync(SpokeNam
   /**
    * Deletes a single Spoke.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   String name = SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]").toString();
+   *   hubServiceClient.deleteSpokeAsync(name).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The name of the Spoke to delete.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -690,6 +1245,19 @@ public final OperationFuture<Empty, OperationMetadata> deleteSpokeAsync(String n
   /**
    * Deletes a single Spoke.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   DeleteSpokeRequest request =
+   *       DeleteSpokeRequest.newBuilder()
+   *           .setName(SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]").toString())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   hubServiceClient.deleteSpokeAsync(request).get();
+   * }
+   * }</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
    */
@@ -703,6 +1271,20 @@ public final OperationFuture<Empty, OperationMetadata> deleteSpokeAsync(
    * Deletes a single Spoke.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   DeleteSpokeRequest request =
+   *       DeleteSpokeRequest.newBuilder()
+   *           .setName(SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]").toString())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Empty, OperationMetadata> future =
+   *       hubServiceClient.deleteSpokeOperationCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<DeleteSpokeRequest, Empty, OperationMetadata>
       deleteSpokeOperationCallable() {
@@ -714,6 +1296,19 @@ public final OperationFuture<Empty, OperationMetadata> deleteSpokeAsync(
    * Deletes a single Spoke.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+   *   DeleteSpokeRequest request =
+   *       DeleteSpokeRequest.newBuilder()
+   *           .setName(SpokeName.of("[PROJECT]", "[LOCATION]", "[SPOKE]").toString())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future = hubServiceClient.deleteSpokeCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteSpokeRequest, Operation> deleteSpokeCallable() {
     return stub.deleteSpokeCallable();
diff --git a/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/package-info.java b/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/package-info.java
index 3e65abe4..950b88b8 100644
--- a/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/package-info.java
+++ b/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/package-info.java
@@ -24,6 +24,13 @@
  * centralized connectivity management model.
  *
  * <p>Sample for HubServiceClient:
+ *
+ * <pre>{@code
+ * try (HubServiceClient hubServiceClient = HubServiceClient.create()) {
+ *   HubName name = HubName.of("[PROJECT]", "[HUB]");
+ *   Hub response = hubServiceClient.getHub(name);
+ * }
+ * }</pre>
  */
 @Generated("by gapic-generator-java")
 package com.google.cloud.networkconnectivity.v1alpha1;
diff --git a/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/stub/GrpcHubServiceStub.java b/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/stub/GrpcHubServiceStub.java
index ab4f2082..add90a91 100644
--- a/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/stub/GrpcHubServiceStub.java
+++ b/google-cloud-networkconnectivity/src/main/java/com/google/cloud/networkconnectivity/v1alpha1/stub/GrpcHubServiceStub.java
@@ -424,77 +424,95 @@ public GrpcOperationsStub getOperationsStub() {
     return operationsStub;
   }
 
+  @Override
   public UnaryCallable<ListHubsRequest, ListHubsResponse> listHubsCallable() {
     return listHubsCallable;
   }
 
+  @Override
   public UnaryCallable<ListHubsRequest, ListHubsPagedResponse> listHubsPagedCallable() {
     return listHubsPagedCallable;
   }
 
+  @Override
   public UnaryCallable<GetHubRequest, Hub> getHubCallable() {
     return getHubCallable;
   }
 
+  @Override
   public UnaryCallable<CreateHubRequest, Operation> createHubCallable() {
     return createHubCallable;
   }
 
+  @Override
   public OperationCallable<CreateHubRequest, Hub, OperationMetadata> createHubOperationCallable() {
     return createHubOperationCallable;
   }
 
+  @Override
   public UnaryCallable<UpdateHubRequest, Operation> updateHubCallable() {
     return updateHubCallable;
   }
 
+  @Override
   public OperationCallable<UpdateHubRequest, Hub, OperationMetadata> updateHubOperationCallable() {
     return updateHubOperationCallable;
   }
 
+  @Override
   public UnaryCallable<DeleteHubRequest, Operation> deleteHubCallable() {
     return deleteHubCallable;
   }
 
+  @Override
   public OperationCallable<DeleteHubRequest, Empty, OperationMetadata>
       deleteHubOperationCallable() {
     return deleteHubOperationCallable;
   }
 
+  @Override
   public UnaryCallable<ListSpokesRequest, ListSpokesResponse> listSpokesCallable() {
     return listSpokesCallable;
   }
 
+  @Override
   public UnaryCallable<ListSpokesRequest, ListSpokesPagedResponse> listSpokesPagedCallable() {
     return listSpokesPagedCallable;
   }
 
+  @Override
   public UnaryCallable<GetSpokeRequest, Spoke> getSpokeCallable() {
     return getSpokeCallable;
   }
 
+  @Override
   public UnaryCallable<CreateSpokeRequest, Operation> createSpokeCallable() {
     return createSpokeCallable;
   }
 
+  @Override
   public OperationCallable<CreateSpokeRequest, Spoke, OperationMetadata>
       createSpokeOperationCallable() {
     return createSpokeOperationCallable;
   }
 
+  @Override
   public UnaryCallable<UpdateSpokeRequest, Operation> updateSpokeCallable() {
     return updateSpokeCallable;
   }
 
+  @Override
   public OperationCallable<UpdateSpokeRequest, Spoke, OperationMetadata>
       updateSpokeOperationCallable() {
     return updateSpokeOperationCallable;
   }
 
+  @Override
   public UnaryCallable<DeleteSpokeRequest, Operation> deleteSpokeCallable() {
     return deleteSpokeCallable;
   }
 
+  @Override
   public OperationCallable<DeleteSpokeRequest, Empty, OperationMetadata>
       deleteSpokeOperationCallable() {
     return deleteSpokeOperationCallable;
diff --git a/google-cloud-networkconnectivity/src/test/java/com/google/cloud/networkconnectivity/v1alpha1/HubServiceClientTest.java b/google-cloud-networkconnectivity/src/test/java/com/google/cloud/networkconnectivity/v1alpha1/HubServiceClientTest.java
index 9eb2f6c7..33ac2e19 100644
--- a/google-cloud-networkconnectivity/src/test/java/com/google/cloud/networkconnectivity/v1alpha1/HubServiceClientTest.java
+++ b/google-cloud-networkconnectivity/src/test/java/com/google/cloud/networkconnectivity/v1alpha1/HubServiceClientTest.java
@@ -187,6 +187,7 @@ public void getHubTest() throws Exception {
             .setDescription("description-1724546052")
             .addAllSpokes(new ArrayList<String>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     mockHubService.addResponse(expectedResponse);
 
@@ -231,6 +232,7 @@ public void getHubTest2() throws Exception {
             .setDescription("description-1724546052")
             .addAllSpokes(new ArrayList<String>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     mockHubService.addResponse(expectedResponse);
 
@@ -275,6 +277,7 @@ public void createHubTest() throws Exception {
             .setDescription("description-1724546052")
             .addAllSpokes(new ArrayList<String>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -333,6 +336,7 @@ public void createHubTest2() throws Exception {
             .setDescription("description-1724546052")
             .addAllSpokes(new ArrayList<String>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -391,6 +395,7 @@ public void updateHubTest() throws Exception {
             .setDescription("description-1724546052")
             .addAllSpokes(new ArrayList<String>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -621,6 +626,7 @@ public void getSpokeTest() throws Exception {
             .addAllLinkedInterconnectAttachments(new ArrayList<String>())
             .addAllLinkedRouterApplianceInstances(new ArrayList<RouterApplianceInstance>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     mockHubService.addResponse(expectedResponse);
 
@@ -668,6 +674,7 @@ public void getSpokeTest2() throws Exception {
             .addAllLinkedInterconnectAttachments(new ArrayList<String>())
             .addAllLinkedRouterApplianceInstances(new ArrayList<RouterApplianceInstance>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     mockHubService.addResponse(expectedResponse);
 
@@ -715,6 +722,7 @@ public void createSpokeTest() throws Exception {
             .addAllLinkedInterconnectAttachments(new ArrayList<String>())
             .addAllLinkedRouterApplianceInstances(new ArrayList<RouterApplianceInstance>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -776,6 +784,7 @@ public void createSpokeTest2() throws Exception {
             .addAllLinkedInterconnectAttachments(new ArrayList<String>())
             .addAllLinkedRouterApplianceInstances(new ArrayList<RouterApplianceInstance>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -837,6 +846,7 @@ public void updateSpokeTest() throws Exception {
             .addAllLinkedInterconnectAttachments(new ArrayList<String>())
             .addAllLinkedRouterApplianceInstances(new ArrayList<RouterApplianceInstance>())
             .setUniqueId("uniqueId-294460212")
+            .setState(State.forNumber(0))
             .build();
     Operation resultOperation =
         Operation.newBuilder()
diff --git a/google-cloud-networkconnectivity/src/test/java/com/google/cloud/networkconnectivity/v1alpha1/MockHubServiceImpl.java b/google-cloud-networkconnectivity/src/test/java/com/google/cloud/networkconnectivity/v1alpha1/MockHubServiceImpl.java
index b7ea91d5..b51d3cb5 100644
--- a/google-cloud-networkconnectivity/src/test/java/com/google/cloud/networkconnectivity/v1alpha1/MockHubServiceImpl.java
+++ b/google-cloud-networkconnectivity/src/test/java/com/google/cloud/networkconnectivity/v1alpha1/MockHubServiceImpl.java
@@ -69,7 +69,13 @@ public void listHubs(ListHubsRequest request, StreamObserver<ListHubsResponse> r
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ListHubs, expected %s or %s",
+                  response.getClass().getName(),
+                  ListHubsResponse.class.getName(),
+                  Exception.class.getName())));
     }
   }
 
@@ -83,7 +89,11 @@ public void getHub(GetHubRequest request, StreamObserver<Hub> responseObserver)
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method GetHub, expected %s or %s",
+                  response.getClass().getName(), Hub.class.getName(), Exception.class.getName())));
     }
   }
 
@@ -97,7 +107,13 @@ public void createHub(CreateHubRequest request, StreamObserver<Operation> respon
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method CreateHub, expected %s or %s",
+                  response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
     }
   }
 
@@ -111,7 +127,13 @@ public void updateHub(UpdateHubRequest request, StreamObserver<Operation> respon
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method UpdateHub, expected %s or %s",
+                  response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
     }
   }
 
@@ -125,7 +147,13 @@ public void deleteHub(DeleteHubRequest request, StreamObserver<Operation> respon
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method DeleteHub, expected %s or %s",
+                  response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
     }
   }
 
@@ -140,7 +168,13 @@ public void listSpokes(
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ListSpokes, expected %s or %s",
+                  response.getClass().getName(),
+                  ListSpokesResponse.class.getName(),
+                  Exception.class.getName())));
     }
   }
 
@@ -154,7 +188,13 @@ public void getSpoke(GetSpokeRequest request, StreamObserver<Spoke> responseObse
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method GetSpoke, expected %s or %s",
+                  response.getClass().getName(),
+                  Spoke.class.getName(),
+                  Exception.class.getName())));
     }
   }
 
@@ -168,7 +208,13 @@ public void createSpoke(CreateSpokeRequest request, StreamObserver<Operation> re
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method CreateSpoke, expected %s or %s",
+                  response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
     }
   }
 
@@ -182,7 +228,13 @@ public void updateSpoke(UpdateSpokeRequest request, StreamObserver<Operation> re
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method UpdateSpoke, expected %s or %s",
+                  response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
     }
   }
 
@@ -196,7 +248,13 @@ public void deleteSpoke(DeleteSpokeRequest request, StreamObserver<Operation> re
     } else if (response instanceof Exception) {
       responseObserver.onError(((Exception) response));
     } else {
-      responseObserver.onError(new IllegalArgumentException("Unrecognized response type"));
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method DeleteSpoke, expected %s or %s",
+                  response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
     }
   }
 }
diff --git a/synth.metadata b/synth.metadata
index fe3dca93..52a8b391 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -11,8 +11,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "5e27c5cafe0952f50ff81552526b3e3d333ef2c3",
-        "internalRef": "355488930"
+        "sha": "e8bc4471a88ac5f60defe3ed436f517174e59ba0",
+        "internalRef": "357800868"
       }
     },
     {