From e2ef9e261a8bc98c937d4a2f13c4a6af2f860ae6 Mon Sep 17 00:00:00 2001
From: "gcf-owl-bot[bot]" <78513119+gcf-owl-bot[bot]@users.noreply.github.com>
Date: Wed, 4 Aug 2021 23:28:36 +0000
Subject: [PATCH] feat!: release gapic-generator-java v2.0.0 (#470)

Committer: @miraleung
PiperOrigin-RevId: 388535346

Source-Link: https://github.com/googleapis/googleapis/commit/d9eaf41de44d953458b18712a3f240bb4c564e48

Source-Link: https://github.com/googleapis/googleapis-gen/commit/976c5ab6f24b58c91fe04847ead1953f99d19e6a
---
 .../cloud/redis/v1/CloudRedisClient.java      |   8 +-
 .../cloud/redis/v1/CloudRedisSettings.java    |   3 +-
 .../redis/v1/stub/CloudRedisStubSettings.java |   3 +-
 .../redis/v1/stub/GrpcCloudRedisStub.java     | 101 +++++++-----------
 .../cloud/redis/v1beta1/CloudRedisClient.java |   8 +-
 .../redis/v1beta1/CloudRedisSettings.java     |   3 +-
 .../v1beta1/stub/CloudRedisStubSettings.java  |   3 +-
 .../v1beta1/stub/GrpcCloudRedisStub.java      | 101 +++++++-----------
 8 files changed, 78 insertions(+), 152 deletions(-)

diff --git a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/CloudRedisClient.java b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/CloudRedisClient.java
index 4ff4c181..e18c556f 100644
--- a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/CloudRedisClient.java
+++ b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/CloudRedisClient.java
@@ -16,7 +16,6 @@
 
 package com.google.cloud.redis.v1;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -1467,12 +1466,7 @@ public static ApiFuture<ListInstancesPagedResponse> createAsync(
           ListInstancesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListInstancesPage, ListInstancesPagedResponse>() {
-            @Override
-            public ListInstancesPagedResponse apply(ListInstancesPage input) {
-              return new ListInstancesPagedResponse(input);
-            }
-          },
+          input -> new ListInstancesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/CloudRedisSettings.java b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/CloudRedisSettings.java
index ba2db47c..ba4a4fc4 100644
--- a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/CloudRedisSettings.java
+++ b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/CloudRedisSettings.java
@@ -243,14 +243,13 @@ public CloudRedisStubSettings.Builder getStubSettingsBuilder() {
       return ((CloudRedisStubSettings.Builder) getStubSettings());
     }
 
-    // NEXT_MAJOR_VER: remove 'throws Exception'.
     /**
      * Applies the given settings updater function to all of the unary API methods in this service.
      *
      * <p>Note: This method does not support applying settings to streaming methods.
      */
     public Builder applyToAllUnaryMethods(
-        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) throws Exception {
+        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) {
       super.applyToAllUnaryMethods(
           getStubSettingsBuilder().unaryMethodSettingsBuilders(), settingsUpdater);
       return this;
diff --git a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/stub/CloudRedisStubSettings.java b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/stub/CloudRedisStubSettings.java
index 9a549f0b..e01a57d4 100644
--- a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/stub/CloudRedisStubSettings.java
+++ b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/stub/CloudRedisStubSettings.java
@@ -727,14 +727,13 @@ private static Builder initDefaults(Builder builder) {
       return builder;
     }
 
-    // NEXT_MAJOR_VER: remove 'throws Exception'.
     /**
      * Applies the given settings updater function to all of the unary API methods in this service.
      *
      * <p>Note: This method does not support applying settings to streaming methods.
      */
     public Builder applyToAllUnaryMethods(
-        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) throws Exception {
+        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) {
       super.applyToAllUnaryMethods(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }
diff --git a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/stub/GrpcCloudRedisStub.java b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/stub/GrpcCloudRedisStub.java
index 5f26c83a..0a9d9ffc 100644
--- a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/stub/GrpcCloudRedisStub.java
+++ b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1/stub/GrpcCloudRedisStub.java
@@ -24,7 +24,6 @@
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
 import com.google.api.gax.rpc.OperationCallable;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.redis.v1.CreateInstanceRequest;
 import com.google.cloud.redis.v1.DeleteInstanceRequest;
@@ -45,7 +44,6 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
-import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -218,117 +216,90 @@ protected GrpcCloudRedisStub(
         GrpcCallSettings.<ListInstancesRequest, ListInstancesResponse>newBuilder()
             .setMethodDescriptor(listInstancesMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ListInstancesRequest>() {
-                  @Override
-                  public Map<String, String> extract(ListInstancesRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("parent", String.valueOf(request.getParent()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("parent", String.valueOf(request.getParent()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<GetInstanceRequest, Instance> getInstanceTransportSettings =
         GrpcCallSettings.<GetInstanceRequest, Instance>newBuilder()
             .setMethodDescriptor(getInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<GetInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(GetInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<CreateInstanceRequest, Operation> createInstanceTransportSettings =
         GrpcCallSettings.<CreateInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(createInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<CreateInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(CreateInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("parent", String.valueOf(request.getParent()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("parent", String.valueOf(request.getParent()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<UpdateInstanceRequest, Operation> updateInstanceTransportSettings =
         GrpcCallSettings.<UpdateInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(updateInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpdateInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpdateInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("instance.name", String.valueOf(request.getInstance().getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("instance.name", String.valueOf(request.getInstance().getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<UpgradeInstanceRequest, Operation> upgradeInstanceTransportSettings =
         GrpcCallSettings.<UpgradeInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(upgradeInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpgradeInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpgradeInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<ImportInstanceRequest, Operation> importInstanceTransportSettings =
         GrpcCallSettings.<ImportInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(importInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ImportInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(ImportInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<ExportInstanceRequest, Operation> exportInstanceTransportSettings =
         GrpcCallSettings.<ExportInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(exportInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ExportInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(ExportInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<FailoverInstanceRequest, Operation> failoverInstanceTransportSettings =
         GrpcCallSettings.<FailoverInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(failoverInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<FailoverInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(FailoverInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<DeleteInstanceRequest, Operation> deleteInstanceTransportSettings =
         GrpcCallSettings.<DeleteInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(deleteInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<DeleteInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(DeleteInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
 
diff --git a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/CloudRedisClient.java b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/CloudRedisClient.java
index f62dcd32..fe918026 100644
--- a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/CloudRedisClient.java
+++ b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/CloudRedisClient.java
@@ -16,7 +16,6 @@
 
 package com.google.cloud.redis.v1beta1;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -1463,12 +1462,7 @@ public static ApiFuture<ListInstancesPagedResponse> createAsync(
           ListInstancesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListInstancesPage, ListInstancesPagedResponse>() {
-            @Override
-            public ListInstancesPagedResponse apply(ListInstancesPage input) {
-              return new ListInstancesPagedResponse(input);
-            }
-          },
+          input -> new ListInstancesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/CloudRedisSettings.java b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/CloudRedisSettings.java
index e28e44ad..a041e741 100644
--- a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/CloudRedisSettings.java
+++ b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/CloudRedisSettings.java
@@ -245,14 +245,13 @@ public CloudRedisStubSettings.Builder getStubSettingsBuilder() {
       return ((CloudRedisStubSettings.Builder) getStubSettings());
     }
 
-    // NEXT_MAJOR_VER: remove 'throws Exception'.
     /**
      * Applies the given settings updater function to all of the unary API methods in this service.
      *
      * <p>Note: This method does not support applying settings to streaming methods.
      */
     public Builder applyToAllUnaryMethods(
-        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) throws Exception {
+        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) {
       super.applyToAllUnaryMethods(
           getStubSettingsBuilder().unaryMethodSettingsBuilders(), settingsUpdater);
       return this;
diff --git a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/stub/CloudRedisStubSettings.java b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/stub/CloudRedisStubSettings.java
index 13144696..c6e6faa4 100644
--- a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/stub/CloudRedisStubSettings.java
+++ b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/stub/CloudRedisStubSettings.java
@@ -720,14 +720,13 @@ private static Builder initDefaults(Builder builder) {
       return builder;
     }
 
-    // NEXT_MAJOR_VER: remove 'throws Exception'.
     /**
      * Applies the given settings updater function to all of the unary API methods in this service.
      *
      * <p>Note: This method does not support applying settings to streaming methods.
      */
     public Builder applyToAllUnaryMethods(
-        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) throws Exception {
+        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) {
       super.applyToAllUnaryMethods(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }
diff --git a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/stub/GrpcCloudRedisStub.java b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/stub/GrpcCloudRedisStub.java
index 4e6c5025..27e32e2c 100644
--- a/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/stub/GrpcCloudRedisStub.java
+++ b/google-cloud-redis/src/main/java/com/google/cloud/redis/v1beta1/stub/GrpcCloudRedisStub.java
@@ -25,7 +25,6 @@
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
 import com.google.api.gax.rpc.OperationCallable;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.redis.v1beta1.CreateInstanceRequest;
 import com.google.cloud.redis.v1beta1.DeleteInstanceRequest;
@@ -46,7 +45,6 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
-import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -220,117 +218,90 @@ protected GrpcCloudRedisStub(
         GrpcCallSettings.<ListInstancesRequest, ListInstancesResponse>newBuilder()
             .setMethodDescriptor(listInstancesMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ListInstancesRequest>() {
-                  @Override
-                  public Map<String, String> extract(ListInstancesRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("parent", String.valueOf(request.getParent()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("parent", String.valueOf(request.getParent()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<GetInstanceRequest, Instance> getInstanceTransportSettings =
         GrpcCallSettings.<GetInstanceRequest, Instance>newBuilder()
             .setMethodDescriptor(getInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<GetInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(GetInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<CreateInstanceRequest, Operation> createInstanceTransportSettings =
         GrpcCallSettings.<CreateInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(createInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<CreateInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(CreateInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("parent", String.valueOf(request.getParent()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("parent", String.valueOf(request.getParent()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<UpdateInstanceRequest, Operation> updateInstanceTransportSettings =
         GrpcCallSettings.<UpdateInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(updateInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpdateInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpdateInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("instance.name", String.valueOf(request.getInstance().getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("instance.name", String.valueOf(request.getInstance().getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<UpgradeInstanceRequest, Operation> upgradeInstanceTransportSettings =
         GrpcCallSettings.<UpgradeInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(upgradeInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpgradeInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpgradeInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<ImportInstanceRequest, Operation> importInstanceTransportSettings =
         GrpcCallSettings.<ImportInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(importInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ImportInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(ImportInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<ExportInstanceRequest, Operation> exportInstanceTransportSettings =
         GrpcCallSettings.<ExportInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(exportInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ExportInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(ExportInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<FailoverInstanceRequest, Operation> failoverInstanceTransportSettings =
         GrpcCallSettings.<FailoverInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(failoverInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<FailoverInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(FailoverInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<DeleteInstanceRequest, Operation> deleteInstanceTransportSettings =
         GrpcCallSettings.<DeleteInstanceRequest, Operation>newBuilder()
             .setMethodDescriptor(deleteInstanceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<DeleteInstanceRequest>() {
-                  @Override
-                  public Map<String, String> extract(DeleteInstanceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();