From fa9defdf959b2872eaf4a78430c93ad642240a20 Mon Sep 17 00:00:00 2001
From: Yoshi Automation Bot <yoshi-automation@google.com>
Date: Thu, 5 Aug 2021 17:40:16 -0700
Subject: [PATCH] feat!: release gapic-generator-java v2.0.0 (#626)

This PR was generated using Autosynth. :rainbow:

Synth log will be available here:
https://source.cloud.google.com/results/invocations/ac2f064d-3d3b-450a-971d-7858aaf4e364/targets

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PiperOrigin-RevId: 388535346
Source-Link: https://github.com/googleapis/googleapis/commit/d9eaf41de44d953458b18712a3f240bb4c564e48
PiperOrigin-RevId: 388499329
Source-Link: https://github.com/googleapis/googleapis/commit/bb0a090d9204110042ab5dee2ce9e06e8071ce54
---
 .../v3/AlertPolicyServiceClient.java          |   8 +-
 .../v3/AlertPolicyServiceSettings.java        |   3 +-
 .../monitoring/v3/GroupServiceClient.java     |  17 +--
 .../monitoring/v3/GroupServiceSettings.java   |   3 +-
 .../monitoring/v3/MetricServiceClient.java    |  25 +---
 .../monitoring/v3/MetricServiceSettings.java  |   3 +-
 .../v3/NotificationChannelServiceClient.java  |  18 +--
 .../NotificationChannelServiceSettings.java   |   3 +-
 .../monitoring/v3/QueryServiceClient.java     |   8 +-
 .../monitoring/v3/QueryServiceSettings.java   |   3 +-
 .../v3/ServiceMonitoringServiceClient.java    |  17 +--
 .../v3/ServiceMonitoringServiceSettings.java  |   3 +-
 .../v3/UptimeCheckServiceClient.java          |  15 +-
 .../v3/UptimeCheckServiceSettings.java        |   3 +-
 .../stub/AlertPolicyServiceStubSettings.java  |   3 +-
 .../v3/stub/GroupServiceStubSettings.java     |   3 +-
 .../v3/stub/GrpcAlertPolicyServiceStub.java   |  67 ++++-----
 .../v3/stub/GrpcGroupServiceStub.java         |  76 +++++------
 .../v3/stub/GrpcMetricServiceStub.java        | 100 ++++++--------
 .../GrpcNotificationChannelServiceStub.java   | 128 +++++++-----------
 .../v3/stub/GrpcQueryServiceStub.java         |  21 +--
 .../GrpcServiceMonitoringServiceStub.java     | 128 +++++++-----------
 .../v3/stub/GrpcUptimeCheckServiceStub.java   |  69 ++++------
 .../v3/stub/MetricServiceStubSettings.java    |   3 +-
 ...otificationChannelServiceStubSettings.java |   3 +-
 .../v3/stub/QueryServiceStubSettings.java     |   3 +-
 .../ServiceMonitoringServiceStubSettings.java |   3 +-
 .../stub/UptimeCheckServiceStubSettings.java  |   3 +-
 synth.metadata                                |   4 +-
 29 files changed, 265 insertions(+), 478 deletions(-)

diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceClient.java
index b0d9217d..48ab8a07 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceClient.java
@@ -16,7 +16,6 @@
 
 package com.google.cloud.monitoring.v3;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -927,12 +926,7 @@ public static ApiFuture<ListAlertPoliciesPagedResponse> createAsync(
           ListAlertPoliciesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListAlertPoliciesPage, ListAlertPoliciesPagedResponse>() {
-            @Override
-            public ListAlertPoliciesPagedResponse apply(ListAlertPoliciesPage input) {
-              return new ListAlertPoliciesPagedResponse(input);
-            }
-          },
+          input -> new ListAlertPoliciesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceSettings.java
index 0b2a5aed..6f3ef4df 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceSettings.java
@@ -190,14 +190,13 @@ public AlertPolicyServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((AlertPolicyServiceStubSettings.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-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceClient.java
index 2bacbf88..6360d091 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceClient.java
@@ -17,7 +17,6 @@
 package com.google.cloud.monitoring.v3;
 
 import com.google.api.MonitoredResource;
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -956,14 +955,7 @@ public static ApiFuture<ListGroupsPagedResponse> createAsync(
       ApiFuture<ListGroupsPage> futurePage =
           ListGroupsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
-          futurePage,
-          new ApiFunction<ListGroupsPage, ListGroupsPagedResponse>() {
-            @Override
-            public ListGroupsPagedResponse apply(ListGroupsPage input) {
-              return new ListGroupsPagedResponse(input);
-            }
-          },
-          MoreExecutors.directExecutor());
+          futurePage, input -> new ListGroupsPagedResponse(input), MoreExecutors.directExecutor());
     }
 
     private ListGroupsPagedResponse(ListGroupsPage page) {
@@ -1037,12 +1029,7 @@ public static ApiFuture<ListGroupMembersPagedResponse> createAsync(
           ListGroupMembersPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListGroupMembersPage, ListGroupMembersPagedResponse>() {
-            @Override
-            public ListGroupMembersPagedResponse apply(ListGroupMembersPage input) {
-              return new ListGroupMembersPagedResponse(input);
-            }
-          },
+          input -> new ListGroupMembersPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceSettings.java
index 7f730db1..f6c0541c 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceSettings.java
@@ -197,14 +197,13 @@ public GroupServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((GroupServiceStubSettings.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-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceClient.java
index e01a0052..2fdbb68f 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceClient.java
@@ -18,7 +18,6 @@
 
 import com.google.api.MetricDescriptor;
 import com.google.api.MonitoredResourceDescriptor;
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -1602,15 +1601,7 @@ public static ApiFuture<ListMonitoredResourceDescriptorsPagedResponse> createAsy
               .createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<
-              ListMonitoredResourceDescriptorsPage,
-              ListMonitoredResourceDescriptorsPagedResponse>() {
-            @Override
-            public ListMonitoredResourceDescriptorsPagedResponse apply(
-                ListMonitoredResourceDescriptorsPage input) {
-              return new ListMonitoredResourceDescriptorsPagedResponse(input);
-            }
-          },
+          input -> new ListMonitoredResourceDescriptorsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -1704,12 +1695,7 @@ public static ApiFuture<ListMetricDescriptorsPagedResponse> createAsync(
           ListMetricDescriptorsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListMetricDescriptorsPage, ListMetricDescriptorsPagedResponse>() {
-            @Override
-            public ListMetricDescriptorsPagedResponse apply(ListMetricDescriptorsPage input) {
-              return new ListMetricDescriptorsPagedResponse(input);
-            }
-          },
+          input -> new ListMetricDescriptorsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -1792,12 +1778,7 @@ public static ApiFuture<ListTimeSeriesPagedResponse> createAsync(
           ListTimeSeriesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListTimeSeriesPage, ListTimeSeriesPagedResponse>() {
-            @Override
-            public ListTimeSeriesPagedResponse apply(ListTimeSeriesPage input) {
-              return new ListTimeSeriesPagedResponse(input);
-            }
-          },
+          input -> new ListTimeSeriesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceSettings.java
index 1172063d..58ea92ed 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceSettings.java
@@ -223,14 +223,13 @@ public MetricServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((MetricServiceStubSettings.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-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceClient.java
index fc7765bc..6c4121f2 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceClient.java
@@ -16,7 +16,6 @@
 
 package com.google.cloud.monitoring.v3;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -1831,15 +1830,7 @@ public static ApiFuture<ListNotificationChannelDescriptorsPagedResponse> createA
               .createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<
-              ListNotificationChannelDescriptorsPage,
-              ListNotificationChannelDescriptorsPagedResponse>() {
-            @Override
-            public ListNotificationChannelDescriptorsPagedResponse apply(
-                ListNotificationChannelDescriptorsPage input) {
-              return new ListNotificationChannelDescriptorsPagedResponse(input);
-            }
-          },
+          input -> new ListNotificationChannelDescriptorsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -1936,12 +1927,7 @@ public static ApiFuture<ListNotificationChannelsPagedResponse> createAsync(
           ListNotificationChannelsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListNotificationChannelsPage, ListNotificationChannelsPagedResponse>() {
-            @Override
-            public ListNotificationChannelsPagedResponse apply(ListNotificationChannelsPage input) {
-              return new ListNotificationChannelsPagedResponse(input);
-            }
-          },
+          input -> new ListNotificationChannelsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceSettings.java
index 588a9637..9bfcc41a 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceSettings.java
@@ -256,14 +256,13 @@ public NotificationChannelServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((NotificationChannelServiceStubSettings.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-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceClient.java
index 1c2d9877..9a092f35 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceClient.java
@@ -16,7 +16,6 @@
 
 package com.google.cloud.monitoring.v3;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -297,12 +296,7 @@ public static ApiFuture<QueryTimeSeriesPagedResponse> createAsync(
           QueryTimeSeriesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<QueryTimeSeriesPage, QueryTimeSeriesPagedResponse>() {
-            @Override
-            public QueryTimeSeriesPagedResponse apply(QueryTimeSeriesPage input) {
-              return new QueryTimeSeriesPagedResponse(input);
-            }
-          },
+          input -> new QueryTimeSeriesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceSettings.java
index 82403a3a..37d99a2a 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceSettings.java
@@ -162,14 +162,13 @@ public QueryServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((QueryServiceStubSettings.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-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient.java
index 78cd4ef7..e92ea2bb 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient.java
@@ -16,7 +16,6 @@
 
 package com.google.cloud.monitoring.v3;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -1443,12 +1442,7 @@ public static ApiFuture<ListServicesPagedResponse> createAsync(
           ListServicesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListServicesPage, ListServicesPagedResponse>() {
-            @Override
-            public ListServicesPagedResponse apply(ListServicesPage input) {
-              return new ListServicesPagedResponse(input);
-            }
-          },
+          input -> new ListServicesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -1527,14 +1521,7 @@ public static ApiFuture<ListServiceLevelObjectivesPagedResponse> createAsync(
           ListServiceLevelObjectivesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<
-              ListServiceLevelObjectivesPage, ListServiceLevelObjectivesPagedResponse>() {
-            @Override
-            public ListServiceLevelObjectivesPagedResponse apply(
-                ListServiceLevelObjectivesPage input) {
-              return new ListServiceLevelObjectivesPagedResponse(input);
-            }
-          },
+          input -> new ListServiceLevelObjectivesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceSettings.java
index b8bc6b51..7e624c19 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceSettings.java
@@ -237,14 +237,13 @@ public ServiceMonitoringServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((ServiceMonitoringServiceStubSettings.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-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceClient.java
index 3184f032..8c795299 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceClient.java
@@ -16,7 +16,6 @@
 
 package com.google.cloud.monitoring.v3;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -1012,12 +1011,7 @@ public static ApiFuture<ListUptimeCheckConfigsPagedResponse> createAsync(
           ListUptimeCheckConfigsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListUptimeCheckConfigsPage, ListUptimeCheckConfigsPagedResponse>() {
-            @Override
-            public ListUptimeCheckConfigsPagedResponse apply(ListUptimeCheckConfigsPage input) {
-              return new ListUptimeCheckConfigsPagedResponse(input);
-            }
-          },
+          input -> new ListUptimeCheckConfigsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -1103,12 +1097,7 @@ public static ApiFuture<ListUptimeCheckIpsPagedResponse> createAsync(
           ListUptimeCheckIpsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListUptimeCheckIpsPage, ListUptimeCheckIpsPagedResponse>() {
-            @Override
-            public ListUptimeCheckIpsPagedResponse apply(ListUptimeCheckIpsPage input) {
-              return new ListUptimeCheckIpsPagedResponse(input);
-            }
-          },
+          input -> new ListUptimeCheckIpsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceSettings.java
index a775ddc0..ca308c74 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceSettings.java
@@ -206,14 +206,13 @@ public UptimeCheckServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((UptimeCheckServiceStubSettings.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-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/AlertPolicyServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/AlertPolicyServiceStubSettings.java
index 729487f6..b457dbaf 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/AlertPolicyServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/AlertPolicyServiceStubSettings.java
@@ -418,14 +418,13 @@ 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-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GroupServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GroupServiceStubSettings.java
index c64abdad..a77bd95b 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GroupServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GroupServiceStubSettings.java
@@ -488,14 +488,13 @@ 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-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcAlertPolicyServiceStub.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcAlertPolicyServiceStub.java
index 93d8ca8a..bda3f514 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcAlertPolicyServiceStub.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcAlertPolicyServiceStub.java
@@ -23,7 +23,6 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.stub.GrpcOperationsStub;
@@ -38,7 +37,6 @@
 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;
 
@@ -159,66 +157,51 @@ protected GrpcAlertPolicyServiceStub(
             GrpcCallSettings.<ListAlertPoliciesRequest, ListAlertPoliciesResponse>newBuilder()
                 .setMethodDescriptor(listAlertPoliciesMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListAlertPoliciesRequest>() {
-                      @Override
-                      public Map<String, String> extract(ListAlertPoliciesRequest 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<GetAlertPolicyRequest, AlertPolicy> getAlertPolicyTransportSettings =
         GrpcCallSettings.<GetAlertPolicyRequest, AlertPolicy>newBuilder()
             .setMethodDescriptor(getAlertPolicyMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<GetAlertPolicyRequest>() {
-                  @Override
-                  public Map<String, String> extract(GetAlertPolicyRequest 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<CreateAlertPolicyRequest, AlertPolicy> createAlertPolicyTransportSettings =
         GrpcCallSettings.<CreateAlertPolicyRequest, AlertPolicy>newBuilder()
             .setMethodDescriptor(createAlertPolicyMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<CreateAlertPolicyRequest>() {
-                  @Override
-                  public Map<String, String> extract(CreateAlertPolicyRequest 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<DeleteAlertPolicyRequest, Empty> deleteAlertPolicyTransportSettings =
         GrpcCallSettings.<DeleteAlertPolicyRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteAlertPolicyMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<DeleteAlertPolicyRequest>() {
-                  @Override
-                  public Map<String, String> extract(DeleteAlertPolicyRequest 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<UpdateAlertPolicyRequest, AlertPolicy> updateAlertPolicyTransportSettings =
         GrpcCallSettings.<UpdateAlertPolicyRequest, AlertPolicy>newBuilder()
             .setMethodDescriptor(updateAlertPolicyMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpdateAlertPolicyRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpdateAlertPolicyRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put(
-                        "alert_policy.name", String.valueOf(request.getAlertPolicy().getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put(
+                      "alert_policy.name", String.valueOf(request.getAlertPolicy().getName()));
+                  return params.build();
                 })
             .build();
 
@@ -293,7 +276,13 @@ public UnaryCallable<UpdateAlertPolicyRequest, AlertPolicy> updateAlertPolicyCal
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcGroupServiceStub.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcGroupServiceStub.java
index 8d071d73..c0d1ae6f 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcGroupServiceStub.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcGroupServiceStub.java
@@ -24,7 +24,6 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.stub.GrpcOperationsStub;
@@ -41,7 +40,6 @@
 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;
 
@@ -162,65 +160,50 @@ protected GrpcGroupServiceStub(
         GrpcCallSettings.<ListGroupsRequest, ListGroupsResponse>newBuilder()
             .setMethodDescriptor(listGroupsMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ListGroupsRequest>() {
-                  @Override
-                  public Map<String, String> extract(ListGroupsRequest 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<GetGroupRequest, Group> getGroupTransportSettings =
         GrpcCallSettings.<GetGroupRequest, Group>newBuilder()
             .setMethodDescriptor(getGroupMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<GetGroupRequest>() {
-                  @Override
-                  public Map<String, String> extract(GetGroupRequest 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<CreateGroupRequest, Group> createGroupTransportSettings =
         GrpcCallSettings.<CreateGroupRequest, Group>newBuilder()
             .setMethodDescriptor(createGroupMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<CreateGroupRequest>() {
-                  @Override
-                  public Map<String, String> extract(CreateGroupRequest 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<UpdateGroupRequest, Group> updateGroupTransportSettings =
         GrpcCallSettings.<UpdateGroupRequest, Group>newBuilder()
             .setMethodDescriptor(updateGroupMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpdateGroupRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpdateGroupRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("group.name", String.valueOf(request.getGroup().getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("group.name", String.valueOf(request.getGroup().getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<DeleteGroupRequest, Empty> deleteGroupTransportSettings =
         GrpcCallSettings.<DeleteGroupRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteGroupMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<DeleteGroupRequest>() {
-                  @Override
-                  public Map<String, String> extract(DeleteGroupRequest 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<ListGroupMembersRequest, ListGroupMembersResponse>
@@ -228,13 +211,10 @@ public Map<String, String> extract(DeleteGroupRequest request) {
             GrpcCallSettings.<ListGroupMembersRequest, ListGroupMembersResponse>newBuilder()
                 .setMethodDescriptor(listGroupMembersMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListGroupMembersRequest>() {
-                      @Override
-                      public Map<String, String> extract(ListGroupMembersRequest 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();
 
@@ -315,7 +295,13 @@ public UnaryCallable<DeleteGroupRequest, Empty> deleteGroupCallable() {
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcMetricServiceStub.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcMetricServiceStub.java
index d46d61ba..6081b65f 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcMetricServiceStub.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcMetricServiceStub.java
@@ -27,7 +27,6 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.stub.GrpcOperationsStub;
@@ -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;
 
@@ -223,14 +221,10 @@ protected GrpcMetricServiceStub(
                     newBuilder()
                 .setMethodDescriptor(listMonitoredResourceDescriptorsMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListMonitoredResourceDescriptorsRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          ListMonitoredResourceDescriptorsRequest 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<GetMonitoredResourceDescriptorRequest, MonitoredResourceDescriptor>
@@ -239,14 +233,10 @@ public Map<String, String> extract(
                 .<GetMonitoredResourceDescriptorRequest, MonitoredResourceDescriptor>newBuilder()
                 .setMethodDescriptor(getMonitoredResourceDescriptorMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<GetMonitoredResourceDescriptorRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          GetMonitoredResourceDescriptorRequest 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<ListMetricDescriptorsRequest, ListMetricDescriptorsResponse>
@@ -255,13 +245,10 @@ public Map<String, String> extract(
                 .<ListMetricDescriptorsRequest, ListMetricDescriptorsResponse>newBuilder()
                 .setMethodDescriptor(listMetricDescriptorsMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListMetricDescriptorsRequest>() {
-                      @Override
-                      public Map<String, String> extract(ListMetricDescriptorsRequest 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<GetMetricDescriptorRequest, MetricDescriptor>
@@ -269,13 +256,10 @@ public Map<String, String> extract(ListMetricDescriptorsRequest request) {
             GrpcCallSettings.<GetMetricDescriptorRequest, MetricDescriptor>newBuilder()
                 .setMethodDescriptor(getMetricDescriptorMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<GetMetricDescriptorRequest>() {
-                      @Override
-                      public Map<String, String> extract(GetMetricDescriptorRequest 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<CreateMetricDescriptorRequest, MetricDescriptor>
@@ -283,26 +267,20 @@ public Map<String, String> extract(GetMetricDescriptorRequest request) {
             GrpcCallSettings.<CreateMetricDescriptorRequest, MetricDescriptor>newBuilder()
                 .setMethodDescriptor(createMetricDescriptorMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<CreateMetricDescriptorRequest>() {
-                      @Override
-                      public Map<String, String> extract(CreateMetricDescriptorRequest 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<DeleteMetricDescriptorRequest, Empty> deleteMetricDescriptorTransportSettings =
         GrpcCallSettings.<DeleteMetricDescriptorRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteMetricDescriptorMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<DeleteMetricDescriptorRequest>() {
-                  @Override
-                  public Map<String, String> extract(DeleteMetricDescriptorRequest 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<ListTimeSeriesRequest, ListTimeSeriesResponse>
@@ -310,26 +288,20 @@ public Map<String, String> extract(DeleteMetricDescriptorRequest request) {
             GrpcCallSettings.<ListTimeSeriesRequest, ListTimeSeriesResponse>newBuilder()
                 .setMethodDescriptor(listTimeSeriesMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListTimeSeriesRequest>() {
-                      @Override
-                      public Map<String, String> extract(ListTimeSeriesRequest 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<CreateTimeSeriesRequest, Empty> createTimeSeriesTransportSettings =
         GrpcCallSettings.<CreateTimeSeriesRequest, Empty>newBuilder()
             .setMethodDescriptor(createTimeSeriesMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<CreateTimeSeriesRequest>() {
-                  @Override
-                  public Map<String, String> extract(CreateTimeSeriesRequest 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();
 
@@ -457,7 +429,13 @@ public UnaryCallable<CreateTimeSeriesRequest, Empty> createTimeSeriesCallable()
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcNotificationChannelServiceStub.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcNotificationChannelServiceStub.java
index 06293bbc..c158b846 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcNotificationChannelServiceStub.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcNotificationChannelServiceStub.java
@@ -24,7 +24,6 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.stub.GrpcOperationsStub;
@@ -47,7 +46,6 @@
 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;
 
@@ -284,14 +282,10 @@ protected GrpcNotificationChannelServiceStub(
                     newBuilder()
                 .setMethodDescriptor(listNotificationChannelDescriptorsMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListNotificationChannelDescriptorsRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          ListNotificationChannelDescriptorsRequest 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<GetNotificationChannelDescriptorRequest, NotificationChannelDescriptor>
@@ -301,14 +295,10 @@ public Map<String, String> extract(
                     newBuilder()
                 .setMethodDescriptor(getNotificationChannelDescriptorMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<GetNotificationChannelDescriptorRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          GetNotificationChannelDescriptorRequest 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<ListNotificationChannelsRequest, ListNotificationChannelsResponse>
@@ -317,13 +307,10 @@ public Map<String, String> extract(
                 .<ListNotificationChannelsRequest, ListNotificationChannelsResponse>newBuilder()
                 .setMethodDescriptor(listNotificationChannelsMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListNotificationChannelsRequest>() {
-                      @Override
-                      public Map<String, String> extract(ListNotificationChannelsRequest 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<GetNotificationChannelRequest, NotificationChannel>
@@ -331,13 +318,10 @@ public Map<String, String> extract(ListNotificationChannelsRequest request) {
             GrpcCallSettings.<GetNotificationChannelRequest, NotificationChannel>newBuilder()
                 .setMethodDescriptor(getNotificationChannelMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<GetNotificationChannelRequest>() {
-                      @Override
-                      public Map<String, String> extract(GetNotificationChannelRequest 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<CreateNotificationChannelRequest, NotificationChannel>
@@ -345,13 +329,10 @@ public Map<String, String> extract(GetNotificationChannelRequest request) {
             GrpcCallSettings.<CreateNotificationChannelRequest, NotificationChannel>newBuilder()
                 .setMethodDescriptor(createNotificationChannelMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<CreateNotificationChannelRequest>() {
-                      @Override
-                      public Map<String, String> extract(CreateNotificationChannelRequest 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<UpdateNotificationChannelRequest, NotificationChannel>
@@ -359,15 +340,12 @@ public Map<String, String> extract(CreateNotificationChannelRequest request) {
             GrpcCallSettings.<UpdateNotificationChannelRequest, NotificationChannel>newBuilder()
                 .setMethodDescriptor(updateNotificationChannelMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<UpdateNotificationChannelRequest>() {
-                      @Override
-                      public Map<String, String> extract(UpdateNotificationChannelRequest request) {
-                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                        params.put(
-                            "notification_channel.name",
-                            String.valueOf(request.getNotificationChannel().getName()));
-                        return params.build();
-                      }
+                    request -> {
+                      ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                      params.put(
+                          "notification_channel.name",
+                          String.valueOf(request.getNotificationChannel().getName()));
+                      return params.build();
                     })
                 .build();
     GrpcCallSettings<DeleteNotificationChannelRequest, Empty>
@@ -375,13 +353,10 @@ public Map<String, String> extract(UpdateNotificationChannelRequest request) {
             GrpcCallSettings.<DeleteNotificationChannelRequest, Empty>newBuilder()
                 .setMethodDescriptor(deleteNotificationChannelMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<DeleteNotificationChannelRequest>() {
-                      @Override
-                      public Map<String, String> extract(DeleteNotificationChannelRequest 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<SendNotificationChannelVerificationCodeRequest, Empty>
@@ -389,14 +364,10 @@ public Map<String, String> extract(DeleteNotificationChannelRequest request) {
             GrpcCallSettings.<SendNotificationChannelVerificationCodeRequest, Empty>newBuilder()
                 .setMethodDescriptor(sendNotificationChannelVerificationCodeMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<SendNotificationChannelVerificationCodeRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          SendNotificationChannelVerificationCodeRequest 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<
@@ -409,14 +380,10 @@ public Map<String, String> extract(
                     newBuilder()
                 .setMethodDescriptor(getNotificationChannelVerificationCodeMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<GetNotificationChannelVerificationCodeRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          GetNotificationChannelVerificationCodeRequest 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<VerifyNotificationChannelRequest, NotificationChannel>
@@ -424,13 +391,10 @@ public Map<String, String> extract(
             GrpcCallSettings.<VerifyNotificationChannelRequest, NotificationChannel>newBuilder()
                 .setMethodDescriptor(verifyNotificationChannelMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<VerifyNotificationChannelRequest>() {
-                      @Override
-                      public Map<String, String> extract(VerifyNotificationChannelRequest 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();
 
@@ -582,7 +546,13 @@ public GrpcOperationsStub getOperationsStub() {
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcQueryServiceStub.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcQueryServiceStub.java
index 3e340358..8598bffe 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcQueryServiceStub.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcQueryServiceStub.java
@@ -23,7 +23,6 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.stub.GrpcOperationsStub;
@@ -32,7 +31,6 @@
 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;
 
@@ -107,13 +105,10 @@ protected GrpcQueryServiceStub(
             GrpcCallSettings.<QueryTimeSeriesRequest, QueryTimeSeriesResponse>newBuilder()
                 .setMethodDescriptor(queryTimeSeriesMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<QueryTimeSeriesRequest>() {
-                      @Override
-                      public Map<String, String> extract(QueryTimeSeriesRequest 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();
 
@@ -145,7 +140,13 @@ public UnaryCallable<QueryTimeSeriesRequest, QueryTimeSeriesResponse> queryTimeS
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcServiceMonitoringServiceStub.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcServiceMonitoringServiceStub.java
index 6af6aaea..f2eccd9d 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcServiceMonitoringServiceStub.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcServiceMonitoringServiceStub.java
@@ -24,7 +24,6 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.stub.GrpcOperationsStub;
@@ -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;
 
@@ -235,65 +233,50 @@ protected GrpcServiceMonitoringServiceStub(
         GrpcCallSettings.<CreateServiceRequest, Service>newBuilder()
             .setMethodDescriptor(createServiceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<CreateServiceRequest>() {
-                  @Override
-                  public Map<String, String> extract(CreateServiceRequest 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<GetServiceRequest, Service> getServiceTransportSettings =
         GrpcCallSettings.<GetServiceRequest, Service>newBuilder()
             .setMethodDescriptor(getServiceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<GetServiceRequest>() {
-                  @Override
-                  public Map<String, String> extract(GetServiceRequest 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<ListServicesRequest, ListServicesResponse> listServicesTransportSettings =
         GrpcCallSettings.<ListServicesRequest, ListServicesResponse>newBuilder()
             .setMethodDescriptor(listServicesMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ListServicesRequest>() {
-                  @Override
-                  public Map<String, String> extract(ListServicesRequest 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<UpdateServiceRequest, Service> updateServiceTransportSettings =
         GrpcCallSettings.<UpdateServiceRequest, Service>newBuilder()
             .setMethodDescriptor(updateServiceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpdateServiceRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpdateServiceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("service.name", String.valueOf(request.getService().getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("service.name", String.valueOf(request.getService().getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<DeleteServiceRequest, Empty> deleteServiceTransportSettings =
         GrpcCallSettings.<DeleteServiceRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteServiceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<DeleteServiceRequest>() {
-                  @Override
-                  public Map<String, String> extract(DeleteServiceRequest 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<CreateServiceLevelObjectiveRequest, ServiceLevelObjective>
@@ -301,14 +284,10 @@ public Map<String, String> extract(DeleteServiceRequest request) {
             GrpcCallSettings.<CreateServiceLevelObjectiveRequest, ServiceLevelObjective>newBuilder()
                 .setMethodDescriptor(createServiceLevelObjectiveMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<CreateServiceLevelObjectiveRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          CreateServiceLevelObjectiveRequest 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<GetServiceLevelObjectiveRequest, ServiceLevelObjective>
@@ -316,13 +295,10 @@ public Map<String, String> extract(
             GrpcCallSettings.<GetServiceLevelObjectiveRequest, ServiceLevelObjective>newBuilder()
                 .setMethodDescriptor(getServiceLevelObjectiveMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<GetServiceLevelObjectiveRequest>() {
-                      @Override
-                      public Map<String, String> extract(GetServiceLevelObjectiveRequest 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<ListServiceLevelObjectivesRequest, ListServiceLevelObjectivesResponse>
@@ -331,14 +307,10 @@ public Map<String, String> extract(GetServiceLevelObjectiveRequest request) {
                 .<ListServiceLevelObjectivesRequest, ListServiceLevelObjectivesResponse>newBuilder()
                 .setMethodDescriptor(listServiceLevelObjectivesMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListServiceLevelObjectivesRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          ListServiceLevelObjectivesRequest 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<UpdateServiceLevelObjectiveRequest, ServiceLevelObjective>
@@ -346,16 +318,12 @@ public Map<String, String> extract(
             GrpcCallSettings.<UpdateServiceLevelObjectiveRequest, ServiceLevelObjective>newBuilder()
                 .setMethodDescriptor(updateServiceLevelObjectiveMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<UpdateServiceLevelObjectiveRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          UpdateServiceLevelObjectiveRequest request) {
-                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                        params.put(
-                            "service_level_objective.name",
-                            String.valueOf(request.getServiceLevelObjective().getName()));
-                        return params.build();
-                      }
+                    request -> {
+                      ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                      params.put(
+                          "service_level_objective.name",
+                          String.valueOf(request.getServiceLevelObjective().getName()));
+                      return params.build();
                     })
                 .build();
     GrpcCallSettings<DeleteServiceLevelObjectiveRequest, Empty>
@@ -363,14 +331,10 @@ public Map<String, String> extract(
             GrpcCallSettings.<DeleteServiceLevelObjectiveRequest, Empty>newBuilder()
                 .setMethodDescriptor(deleteServiceLevelObjectiveMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<DeleteServiceLevelObjectiveRequest>() {
-                      @Override
-                      public Map<String, String> extract(
-                          DeleteServiceLevelObjectiveRequest 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();
 
@@ -499,7 +463,13 @@ public UnaryCallable<DeleteServiceRequest, Empty> deleteServiceCallable() {
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcUptimeCheckServiceStub.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcUptimeCheckServiceStub.java
index bbc23e7b..74270066 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcUptimeCheckServiceStub.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GrpcUptimeCheckServiceStub.java
@@ -24,7 +24,6 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.stub.GrpcOperationsStub;
@@ -41,7 +40,6 @@
 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;
 
@@ -184,13 +182,10 @@ protected GrpcUptimeCheckServiceStub(
                 .<ListUptimeCheckConfigsRequest, ListUptimeCheckConfigsResponse>newBuilder()
                 .setMethodDescriptor(listUptimeCheckConfigsMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListUptimeCheckConfigsRequest>() {
-                      @Override
-                      public Map<String, String> extract(ListUptimeCheckConfigsRequest 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<GetUptimeCheckConfigRequest, UptimeCheckConfig>
@@ -198,13 +193,10 @@ public Map<String, String> extract(ListUptimeCheckConfigsRequest request) {
             GrpcCallSettings.<GetUptimeCheckConfigRequest, UptimeCheckConfig>newBuilder()
                 .setMethodDescriptor(getUptimeCheckConfigMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<GetUptimeCheckConfigRequest>() {
-                      @Override
-                      public Map<String, String> extract(GetUptimeCheckConfigRequest 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<CreateUptimeCheckConfigRequest, UptimeCheckConfig>
@@ -212,13 +204,10 @@ public Map<String, String> extract(GetUptimeCheckConfigRequest request) {
             GrpcCallSettings.<CreateUptimeCheckConfigRequest, UptimeCheckConfig>newBuilder()
                 .setMethodDescriptor(createUptimeCheckConfigMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<CreateUptimeCheckConfigRequest>() {
-                      @Override
-                      public Map<String, String> extract(CreateUptimeCheckConfigRequest 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<UpdateUptimeCheckConfigRequest, UptimeCheckConfig>
@@ -226,15 +215,12 @@ public Map<String, String> extract(CreateUptimeCheckConfigRequest request) {
             GrpcCallSettings.<UpdateUptimeCheckConfigRequest, UptimeCheckConfig>newBuilder()
                 .setMethodDescriptor(updateUptimeCheckConfigMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<UpdateUptimeCheckConfigRequest>() {
-                      @Override
-                      public Map<String, String> extract(UpdateUptimeCheckConfigRequest request) {
-                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                        params.put(
-                            "uptime_check_config.name",
-                            String.valueOf(request.getUptimeCheckConfig().getName()));
-                        return params.build();
-                      }
+                    request -> {
+                      ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                      params.put(
+                          "uptime_check_config.name",
+                          String.valueOf(request.getUptimeCheckConfig().getName()));
+                      return params.build();
                     })
                 .build();
     GrpcCallSettings<DeleteUptimeCheckConfigRequest, Empty>
@@ -242,13 +228,10 @@ public Map<String, String> extract(UpdateUptimeCheckConfigRequest request) {
             GrpcCallSettings.<DeleteUptimeCheckConfigRequest, Empty>newBuilder()
                 .setMethodDescriptor(deleteUptimeCheckConfigMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<DeleteUptimeCheckConfigRequest>() {
-                      @Override
-                      public Map<String, String> extract(DeleteUptimeCheckConfigRequest 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<ListUptimeCheckIpsRequest, ListUptimeCheckIpsResponse>
@@ -355,7 +338,13 @@ public UnaryCallable<DeleteUptimeCheckConfigRequest, Empty> deleteUptimeCheckCon
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/MetricServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/MetricServiceStubSettings.java
index 9bc6007a..eec3bcc2 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/MetricServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/MetricServiceStubSettings.java
@@ -658,14 +658,13 @@ 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-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/NotificationChannelServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/NotificationChannelServiceStubSettings.java
index 998aca13..94f1becd 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/NotificationChannelServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/NotificationChannelServiceStubSettings.java
@@ -671,14 +671,13 @@ 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-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/QueryServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/QueryServiceStubSettings.java
index 58cd99cb..37f18354 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/QueryServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/QueryServiceStubSettings.java
@@ -311,14 +311,13 @@ 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-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/ServiceMonitoringServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/ServiceMonitoringServiceStubSettings.java
index feef7909..3d77ed52 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/ServiceMonitoringServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/ServiceMonitoringServiceStubSettings.java
@@ -610,14 +610,13 @@ 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-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/UptimeCheckServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/UptimeCheckServiceStubSettings.java
index f0e2171c..560c8721 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/UptimeCheckServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/UptimeCheckServiceStubSettings.java
@@ -531,14 +531,13 @@ 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/synth.metadata b/synth.metadata
index 89bfd2ef..2895c085 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -11,8 +11,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "551681f25e36b11829e87e580281350461f4f3f5",
-        "internalRef": "379784268"
+        "sha": "d9eaf41de44d953458b18712a3f240bb4c564e48",
+        "internalRef": "388535346"
       }
     },
     {