diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 6137bef2..30fdb7b9 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -4,5 +4,7 @@
 # For syntax help see:
 # https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax
 
+*                       @googleapis/yoshi-java
+
 # The java-samples-reviewers team is the default owner for samples changes
 samples/**/*.java       @googleapis/java-samples-reviewers
diff --git a/.github/workflows/auto-release.yaml b/.github/workflows/auto-release.yaml
new file mode 100644
index 00000000..d26427e4
--- /dev/null
+++ b/.github/workflows/auto-release.yaml
@@ -0,0 +1,69 @@
+on:
+  pull_request:
+name: auto-release
+jobs:
+  approve:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/github-script@v3.0.0
+      with:
+        github-token: ${{secrets.GITHUB_TOKEN}}
+        debug: true
+        script: |
+          // only approve PRs from release-please[bot]
+          if (context.payload.pull_request.user.login !== "release-please[bot]") {
+            return;
+          }
+
+          // only approve PRs like "chore: release <release version>"
+          if ( !context.payload.pull_request.title.startsWith("chore: release") ) {
+            return;
+          }
+
+          // trigger auto-release when
+          // 1) it is a SNAPSHOT release (auto-generated post regular release)
+          // 2) there are dependency updates only
+          // 3) there are no open dependency update PRs in this repo (to avoid multiple releases)
+          if (
+            context.payload.pull_request.body.includes("Fix") ||
+            context.payload.pull_request.body.includes("Build") ||
+            context.payload.pull_request.body.includes("Documentation") ||
+            context.payload.pull_request.body.includes("BREAKING CHANGES") ||
+            context.payload.pull_request.body.includes("Features")
+          ) {
+            console.log( "Not auto-releasing since it is not a dependency-update-only release." );
+            return;
+          }
+
+          const promise = github.pulls.list.endpoint({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            state: 'open'
+          });
+          const open_pulls = await github.paginate(promise)
+
+          if ( open_pulls.length > 1 && !context.payload.pull_request.title.includes("SNAPSHOT") ) {
+            for ( const pull of open_pulls ) {
+              if ( pull.title.startsWith("deps: update dependency") ) {
+                console.log( "Not auto-releasing yet since there are dependency update PRs open in this repo." );
+                return;
+              }
+            }
+          }
+
+          // approve release PR
+          await github.pulls.createReview({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: 'Rubber stamped release!',
+            pull_number: context.payload.pull_request.number,
+            event: 'APPROVE'
+          });
+
+          // attach kokoro:force-run and automerge labels
+          await github.issues.addLabels({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            issue_number: context.payload.pull_request.number,
+            labels: ['kokoro:force-run', 'automerge']
+          });
\ No newline at end of file
diff --git a/.kokoro/release/stage.cfg b/.kokoro/release/stage.cfg
index ba7799f2..1ef9b0ac 100644
--- a/.kokoro/release/stage.cfg
+++ b/.kokoro/release/stage.cfg
@@ -13,32 +13,7 @@ action {
   }
 }
 
-# Fetch the token needed for reporting release status to GitHub
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "yoshi-automation-github-key"
-    }
-  }
-}
-
-# Fetch magictoken to use with Magic Github Proxy
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "releasetool-magictoken"
-    }
-  }
-}
-
-# Fetch api key to use with Magic Github Proxy
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "magic-github-proxy-api-key"
-    }
-  }
+env_vars: {
+  key: "SECRET_MANAGER_KEYS"
+  value: "releasetool-publish-reporter-app,releasetool-publish-reporter-googleapis-installation,releasetool-publish-reporter-pem"
 }
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/AuditConfigDelta.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/AuditConfigDelta.java
index ad57814b..f4e3194f 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/AuditConfigDelta.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/AuditConfigDelta.java
@@ -256,6 +256,10 @@ public Action findValueByNumber(int number) {
         };
 
     public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
       return getDescriptor().getValues().get(ordinal());
     }
 
@@ -302,6 +306,7 @@ private Action(int value) {
    *
    * @return The enum numeric value on the wire for action.
    */
+  @java.lang.Override
   public int getActionValue() {
     return action_;
   }
@@ -317,6 +322,7 @@ public int getActionValue() {
    *
    * @return The action.
    */
+  @java.lang.Override
   public com.google.iam.v1.AuditConfigDelta.Action getAction() {
     @SuppressWarnings("deprecation")
     com.google.iam.v1.AuditConfigDelta.Action result =
@@ -340,6 +346,7 @@ public com.google.iam.v1.AuditConfigDelta.Action getAction() {
    *
    * @return The service.
    */
+  @java.lang.Override
   public java.lang.String getService() {
     java.lang.Object ref = service_;
     if (ref instanceof java.lang.String) {
@@ -365,6 +372,7 @@ public java.lang.String getService() {
    *
    * @return The bytes for service.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getServiceBytes() {
     java.lang.Object ref = service_;
     if (ref instanceof java.lang.String) {
@@ -392,6 +400,7 @@ public com.google.protobuf.ByteString getServiceBytes() {
    *
    * @return The exemptedMember.
    */
+  @java.lang.Override
   public java.lang.String getExemptedMember() {
     java.lang.Object ref = exemptedMember_;
     if (ref instanceof java.lang.String) {
@@ -416,6 +425,7 @@ public java.lang.String getExemptedMember() {
    *
    * @return The bytes for exemptedMember.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getExemptedMemberBytes() {
     java.lang.Object ref = exemptedMember_;
     if (ref instanceof java.lang.String) {
@@ -443,6 +453,7 @@ public com.google.protobuf.ByteString getExemptedMemberBytes() {
    *
    * @return The logType.
    */
+  @java.lang.Override
   public java.lang.String getLogType() {
     java.lang.Object ref = logType_;
     if (ref instanceof java.lang.String) {
@@ -467,6 +478,7 @@ public java.lang.String getLogType() {
    *
    * @return The bytes for logType.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getLogTypeBytes() {
     java.lang.Object ref = logType_;
     if (ref instanceof java.lang.String) {
@@ -853,6 +865,7 @@ public Builder mergeFrom(
      *
      * @return The enum numeric value on the wire for action.
      */
+    @java.lang.Override
     public int getActionValue() {
       return action_;
     }
@@ -870,6 +883,7 @@ public int getActionValue() {
      * @return This builder for chaining.
      */
     public Builder setActionValue(int value) {
+
       action_ = value;
       onChanged();
       return this;
@@ -886,6 +900,7 @@ public Builder setActionValue(int value) {
      *
      * @return The action.
      */
+    @java.lang.Override
     public com.google.iam.v1.AuditConfigDelta.Action getAction() {
       @SuppressWarnings("deprecation")
       com.google.iam.v1.AuditConfigDelta.Action result =
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/Binding.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/Binding.java
index 04e2b560..394a969b 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/Binding.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/Binding.java
@@ -151,6 +151,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    * @return The role.
    */
+  @java.lang.Override
   public java.lang.String getRole() {
     java.lang.Object ref = role_;
     if (ref instanceof java.lang.String) {
@@ -174,6 +175,7 @@ public java.lang.String getRole() {
    *
    * @return The bytes for role.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getRoleBytes() {
     java.lang.Object ref = role_;
     if (ref instanceof java.lang.String) {
@@ -315,6 +317,7 @@ public com.google.protobuf.ByteString getMembersBytes(int index) {
    *
    * @return Whether the condition field is set.
    */
+  @java.lang.Override
   public boolean hasCondition() {
     return condition_ != null;
   }
@@ -332,6 +335,7 @@ public boolean hasCondition() {
    *
    * @return The condition.
    */
+  @java.lang.Override
   public com.google.type.Expr getCondition() {
     return condition_ == null ? com.google.type.Expr.getDefaultInstance() : condition_;
   }
@@ -347,6 +351,7 @@ public com.google.type.Expr getCondition() {
    *
    * <code>.google.type.Expr condition = 3;</code>
    */
+  @java.lang.Override
   public com.google.type.ExprOrBuilder getConditionOrBuilder() {
     return getCondition();
   }
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/BindingDelta.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/BindingDelta.java
index 731f4c9b..c5557b73 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/BindingDelta.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/BindingDelta.java
@@ -261,6 +261,10 @@ public Action findValueByNumber(int number) {
         };
 
     public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
       return getDescriptor().getValues().get(ordinal());
     }
 
@@ -307,6 +311,7 @@ private Action(int value) {
    *
    * @return The enum numeric value on the wire for action.
    */
+  @java.lang.Override
   public int getActionValue() {
     return action_;
   }
@@ -322,6 +327,7 @@ public int getActionValue() {
    *
    * @return The action.
    */
+  @java.lang.Override
   public com.google.iam.v1.BindingDelta.Action getAction() {
     @SuppressWarnings("deprecation")
     com.google.iam.v1.BindingDelta.Action result =
@@ -344,6 +350,7 @@ public com.google.iam.v1.BindingDelta.Action getAction() {
    *
    * @return The role.
    */
+  @java.lang.Override
   public java.lang.String getRole() {
     java.lang.Object ref = role_;
     if (ref instanceof java.lang.String) {
@@ -368,6 +375,7 @@ public java.lang.String getRole() {
    *
    * @return The bytes for role.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getRoleBytes() {
     java.lang.Object ref = role_;
     if (ref instanceof java.lang.String) {
@@ -395,6 +403,7 @@ public com.google.protobuf.ByteString getRoleBytes() {
    *
    * @return The member.
    */
+  @java.lang.Override
   public java.lang.String getMember() {
     java.lang.Object ref = member_;
     if (ref instanceof java.lang.String) {
@@ -419,6 +428,7 @@ public java.lang.String getMember() {
    *
    * @return The bytes for member.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getMemberBytes() {
     java.lang.Object ref = member_;
     if (ref instanceof java.lang.String) {
@@ -444,6 +454,7 @@ public com.google.protobuf.ByteString getMemberBytes() {
    *
    * @return Whether the condition field is set.
    */
+  @java.lang.Override
   public boolean hasCondition() {
     return condition_ != null;
   }
@@ -458,6 +469,7 @@ public boolean hasCondition() {
    *
    * @return The condition.
    */
+  @java.lang.Override
   public com.google.type.Expr getCondition() {
     return condition_ == null ? com.google.type.Expr.getDefaultInstance() : condition_;
   }
@@ -470,6 +482,7 @@ public com.google.type.Expr getCondition() {
    *
    * <code>.google.type.Expr condition = 4;</code>
    */
+  @java.lang.Override
   public com.google.type.ExprOrBuilder getConditionOrBuilder() {
     return getCondition();
   }
@@ -857,6 +870,7 @@ public Builder mergeFrom(
      *
      * @return The enum numeric value on the wire for action.
      */
+    @java.lang.Override
     public int getActionValue() {
       return action_;
     }
@@ -874,6 +888,7 @@ public int getActionValue() {
      * @return This builder for chaining.
      */
     public Builder setActionValue(int value) {
+
       action_ = value;
       onChanged();
       return this;
@@ -890,6 +905,7 @@ public Builder setActionValue(int value) {
      *
      * @return The action.
      */
+    @java.lang.Override
     public com.google.iam.v1.BindingDelta.Action getAction() {
       @SuppressWarnings("deprecation")
       com.google.iam.v1.BindingDelta.Action result =
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/GetIamPolicyRequest.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/GetIamPolicyRequest.java
index af0b3566..b4b3a7af 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/GetIamPolicyRequest.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/GetIamPolicyRequest.java
@@ -142,6 +142,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    * @return The resource.
    */
+  @java.lang.Override
   public java.lang.String getResource() {
     java.lang.Object ref = resource_;
     if (ref instanceof java.lang.String) {
@@ -167,6 +168,7 @@ public java.lang.String getResource() {
    *
    * @return The bytes for resource.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getResourceBytes() {
     java.lang.Object ref = resource_;
     if (ref instanceof java.lang.String) {
@@ -193,6 +195,7 @@ public com.google.protobuf.ByteString getResourceBytes() {
    *
    * @return Whether the options field is set.
    */
+  @java.lang.Override
   public boolean hasOptions() {
     return options_ != null;
   }
@@ -208,6 +211,7 @@ public boolean hasOptions() {
    *
    * @return The options.
    */
+  @java.lang.Override
   public com.google.iam.v1.GetPolicyOptions getOptions() {
     return options_ == null ? com.google.iam.v1.GetPolicyOptions.getDefaultInstance() : options_;
   }
@@ -221,6 +225,7 @@ public com.google.iam.v1.GetPolicyOptions getOptions() {
    *
    * <code>.google.iam.v1.GetPolicyOptions options = 2;</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.GetPolicyOptionsOrBuilder getOptionsOrBuilder() {
     return getOptions();
   }
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/GetPolicyOptions.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/GetPolicyOptions.java
index 84f175da..7054040f 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/GetPolicyOptions.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/GetPolicyOptions.java
@@ -124,6 +124,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    * @return The requestedPolicyVersion.
    */
+  @java.lang.Override
   public int getRequestedPolicyVersion() {
     return requestedPolicyVersion_;
   }
@@ -457,6 +458,7 @@ public Builder mergeFrom(
      *
      * @return The requestedPolicyVersion.
      */
+    @java.lang.Override
     public int getRequestedPolicyVersion() {
       return requestedPolicyVersion_;
     }
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/Policy.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/Policy.java
index dc77fb6c..3cda12f1 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/Policy.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/Policy.java
@@ -198,6 +198,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    * @return The version.
    */
+  @java.lang.Override
   public int getVersion() {
     return version_;
   }
@@ -215,6 +216,7 @@ public int getVersion() {
    *
    * <code>repeated .google.iam.v1.Binding bindings = 4;</code>
    */
+  @java.lang.Override
   public java.util.List<com.google.iam.v1.Binding> getBindingsList() {
     return bindings_;
   }
@@ -229,6 +231,7 @@ public java.util.List<com.google.iam.v1.Binding> getBindingsList() {
    *
    * <code>repeated .google.iam.v1.Binding bindings = 4;</code>
    */
+  @java.lang.Override
   public java.util.List<? extends com.google.iam.v1.BindingOrBuilder> getBindingsOrBuilderList() {
     return bindings_;
   }
@@ -243,6 +246,7 @@ public java.util.List<? extends com.google.iam.v1.BindingOrBuilder> getBindingsO
    *
    * <code>repeated .google.iam.v1.Binding bindings = 4;</code>
    */
+  @java.lang.Override
   public int getBindingsCount() {
     return bindings_.size();
   }
@@ -257,6 +261,7 @@ public int getBindingsCount() {
    *
    * <code>repeated .google.iam.v1.Binding bindings = 4;</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.Binding getBindings(int index) {
     return bindings_.get(index);
   }
@@ -271,6 +276,7 @@ public com.google.iam.v1.Binding getBindings(int index) {
    *
    * <code>repeated .google.iam.v1.Binding bindings = 4;</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.BindingOrBuilder getBindingsOrBuilder(int index) {
     return bindings_.get(index);
   }
@@ -298,6 +304,7 @@ public com.google.iam.v1.BindingOrBuilder getBindingsOrBuilder(int index) {
    *
    * @return The etag.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getEtag() {
     return etag_;
   }
@@ -754,6 +761,7 @@ public Builder mergeFrom(
      *
      * @return The version.
      */
+    @java.lang.Override
     public int getVersion() {
       return version_;
     }
@@ -1213,6 +1221,7 @@ public java.util.List<com.google.iam.v1.Binding.Builder> getBindingsBuilderList(
      *
      * @return The etag.
      */
+    @java.lang.Override
     public com.google.protobuf.ByteString getEtag() {
       return etag_;
     }
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/PolicyDelta.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/PolicyDelta.java
index eeb22488..c26773e9 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/PolicyDelta.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/PolicyDelta.java
@@ -142,6 +142,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    * <code>repeated .google.iam.v1.BindingDelta binding_deltas = 1;</code>
    */
+  @java.lang.Override
   public java.util.List<com.google.iam.v1.BindingDelta> getBindingDeltasList() {
     return bindingDeltas_;
   }
@@ -154,6 +155,7 @@ public java.util.List<com.google.iam.v1.BindingDelta> getBindingDeltasList() {
    *
    * <code>repeated .google.iam.v1.BindingDelta binding_deltas = 1;</code>
    */
+  @java.lang.Override
   public java.util.List<? extends com.google.iam.v1.BindingDeltaOrBuilder>
       getBindingDeltasOrBuilderList() {
     return bindingDeltas_;
@@ -167,6 +169,7 @@ public java.util.List<com.google.iam.v1.BindingDelta> getBindingDeltasList() {
    *
    * <code>repeated .google.iam.v1.BindingDelta binding_deltas = 1;</code>
    */
+  @java.lang.Override
   public int getBindingDeltasCount() {
     return bindingDeltas_.size();
   }
@@ -179,6 +182,7 @@ public int getBindingDeltasCount() {
    *
    * <code>repeated .google.iam.v1.BindingDelta binding_deltas = 1;</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.BindingDelta getBindingDeltas(int index) {
     return bindingDeltas_.get(index);
   }
@@ -191,6 +195,7 @@ public com.google.iam.v1.BindingDelta getBindingDeltas(int index) {
    *
    * <code>repeated .google.iam.v1.BindingDelta binding_deltas = 1;</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.BindingDeltaOrBuilder getBindingDeltasOrBuilder(int index) {
     return bindingDeltas_.get(index);
   }
@@ -206,6 +211,7 @@ public com.google.iam.v1.BindingDeltaOrBuilder getBindingDeltasOrBuilder(int ind
    *
    * <code>repeated .google.iam.v1.AuditConfigDelta audit_config_deltas = 2;</code>
    */
+  @java.lang.Override
   public java.util.List<com.google.iam.v1.AuditConfigDelta> getAuditConfigDeltasList() {
     return auditConfigDeltas_;
   }
@@ -218,6 +224,7 @@ public java.util.List<com.google.iam.v1.AuditConfigDelta> getAuditConfigDeltasLi
    *
    * <code>repeated .google.iam.v1.AuditConfigDelta audit_config_deltas = 2;</code>
    */
+  @java.lang.Override
   public java.util.List<? extends com.google.iam.v1.AuditConfigDeltaOrBuilder>
       getAuditConfigDeltasOrBuilderList() {
     return auditConfigDeltas_;
@@ -231,6 +238,7 @@ public java.util.List<com.google.iam.v1.AuditConfigDelta> getAuditConfigDeltasLi
    *
    * <code>repeated .google.iam.v1.AuditConfigDelta audit_config_deltas = 2;</code>
    */
+  @java.lang.Override
   public int getAuditConfigDeltasCount() {
     return auditConfigDeltas_.size();
   }
@@ -243,6 +251,7 @@ public int getAuditConfigDeltasCount() {
    *
    * <code>repeated .google.iam.v1.AuditConfigDelta audit_config_deltas = 2;</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.AuditConfigDelta getAuditConfigDeltas(int index) {
     return auditConfigDeltas_.get(index);
   }
@@ -255,6 +264,7 @@ public com.google.iam.v1.AuditConfigDelta getAuditConfigDeltas(int index) {
    *
    * <code>repeated .google.iam.v1.AuditConfigDelta audit_config_deltas = 2;</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.AuditConfigDeltaOrBuilder getAuditConfigDeltasOrBuilder(int index) {
     return auditConfigDeltas_.get(index);
   }
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/SetIamPolicyRequest.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/SetIamPolicyRequest.java
index ead65341..d5df476e 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/SetIamPolicyRequest.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/SetIamPolicyRequest.java
@@ -141,6 +141,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    * @return The resource.
    */
+  @java.lang.Override
   public java.lang.String getResource() {
     java.lang.Object ref = resource_;
     if (ref instanceof java.lang.String) {
@@ -166,6 +167,7 @@ public java.lang.String getResource() {
    *
    * @return The bytes for resource.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getResourceBytes() {
     java.lang.Object ref = resource_;
     if (ref instanceof java.lang.String) {
@@ -194,6 +196,7 @@ public com.google.protobuf.ByteString getResourceBytes() {
    *
    * @return Whether the policy field is set.
    */
+  @java.lang.Override
   public boolean hasPolicy() {
     return policy_ != null;
   }
@@ -211,6 +214,7 @@ public boolean hasPolicy() {
    *
    * @return The policy.
    */
+  @java.lang.Override
   public com.google.iam.v1.Policy getPolicy() {
     return policy_ == null ? com.google.iam.v1.Policy.getDefaultInstance() : policy_;
   }
@@ -226,6 +230,7 @@ public com.google.iam.v1.Policy getPolicy() {
    *
    * <code>.google.iam.v1.Policy policy = 2 [(.google.api.field_behavior) = REQUIRED];</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.PolicyOrBuilder getPolicyOrBuilder() {
     return getPolicy();
   }
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/TestIamPermissionsRequest.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/TestIamPermissionsRequest.java
index 784d2beb..081420de 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/TestIamPermissionsRequest.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/TestIamPermissionsRequest.java
@@ -142,6 +142,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    * @return The resource.
    */
+  @java.lang.Override
   public java.lang.String getResource() {
     java.lang.Object ref = resource_;
     if (ref instanceof java.lang.String) {
@@ -167,6 +168,7 @@ public java.lang.String getResource() {
    *
    * @return The bytes for resource.
    */
+  @java.lang.Override
   public com.google.protobuf.ByteString getResourceBytes() {
     java.lang.Object ref = resource_;
     if (ref instanceof java.lang.String) {
diff --git a/proto-google-iam-v1/src/main/java/com/google/iam/v1/logging/AuditData.java b/proto-google-iam-v1/src/main/java/com/google/iam/v1/logging/AuditData.java
index 926b0838..268cbc4d 100644
--- a/proto-google-iam-v1/src/main/java/com/google/iam/v1/logging/AuditData.java
+++ b/proto-google-iam-v1/src/main/java/com/google/iam/v1/logging/AuditData.java
@@ -132,6 +132,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    * @return Whether the policyDelta field is set.
    */
+  @java.lang.Override
   public boolean hasPolicyDelta() {
     return policyDelta_ != null;
   }
@@ -146,6 +147,7 @@ public boolean hasPolicyDelta() {
    *
    * @return The policyDelta.
    */
+  @java.lang.Override
   public com.google.iam.v1.PolicyDelta getPolicyDelta() {
     return policyDelta_ == null ? com.google.iam.v1.PolicyDelta.getDefaultInstance() : policyDelta_;
   }
@@ -158,6 +160,7 @@ public com.google.iam.v1.PolicyDelta getPolicyDelta() {
    *
    * <code>.google.iam.v1.PolicyDelta policy_delta = 2;</code>
    */
+  @java.lang.Override
   public com.google.iam.v1.PolicyDeltaOrBuilder getPolicyDeltaOrBuilder() {
     return getPolicyDelta();
   }
diff --git a/synth.metadata b/synth.metadata
index bdc0d812..a4c4048c 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -3,35 +3,113 @@
     {
       "git": {
         "name": ".",
-        "sha": "8a6622ceae097e182db1debc2d022c5d536633a3"
+        "remote": "https://github.com/googleapis/java-iam.git",
+        "sha": "a354468bb275c6ffb6ca547a466303cbf2bd5621"
       }
     },
     {
       "git": {
-        "name": "synthtool",
-        "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "04cb397eb7590ea1e6c10a39fca3d8fe0fb3d256"
-      }
-    }
-  ],
-  "destinations": [
-    {
-      "client": {
-        "source": "googleapis",
-        "apiName": "iam",
-        "apiVersion": "v1",
-        "language": "java",
-        "generator": "bazel"
+        "name": "googleapis",
+        "remote": "https://github.com/googleapis/googleapis.git",
+        "sha": "8d73f9486fc193a150f6c907dfb9f49431aff3ff",
+        "internalRef": "332497859"
       }
     },
     {
-      "client": {
-        "source": "googleapis",
-        "apiName": "iam",
-        "apiVersion": "v1",
-        "language": "java",
-        "generator": "bazel"
+      "git": {
+        "name": "synthtool",
+        "remote": "https://github.com/googleapis/synthtool.git",
+        "sha": "80003a3de2d8a75f5b47cb2e77e018f7f0f776cc"
       }
     }
+  ],
+  "generatedFiles": [
+    ".github/CODEOWNERS",
+    ".github/ISSUE_TEMPLATE/bug_report.md",
+    ".github/ISSUE_TEMPLATE/feature_request.md",
+    ".github/ISSUE_TEMPLATE/support_request.md",
+    ".github/PULL_REQUEST_TEMPLATE.md",
+    ".github/release-please.yml",
+    ".github/trusted-contribution.yml",
+    ".github/workflows/auto-release.yaml",
+    ".github/workflows/ci.yaml",
+    ".kokoro/build.bat",
+    ".kokoro/build.sh",
+    ".kokoro/coerce_logs.sh",
+    ".kokoro/common.cfg",
+    ".kokoro/common.sh",
+    ".kokoro/continuous/common.cfg",
+    ".kokoro/continuous/java8.cfg",
+    ".kokoro/dependencies.sh",
+    ".kokoro/linkage-monitor.sh",
+    ".kokoro/nightly/common.cfg",
+    ".kokoro/nightly/integration.cfg",
+    ".kokoro/nightly/java11.cfg",
+    ".kokoro/nightly/java7.cfg",
+    ".kokoro/nightly/java8-osx.cfg",
+    ".kokoro/nightly/java8-win.cfg",
+    ".kokoro/nightly/java8.cfg",
+    ".kokoro/nightly/samples.cfg",
+    ".kokoro/populate-secrets.sh",
+    ".kokoro/presubmit/clirr.cfg",
+    ".kokoro/presubmit/common.cfg",
+    ".kokoro/presubmit/dependencies.cfg",
+    ".kokoro/presubmit/integration.cfg",
+    ".kokoro/presubmit/java11.cfg",
+    ".kokoro/presubmit/java7.cfg",
+    ".kokoro/presubmit/java8-osx.cfg",
+    ".kokoro/presubmit/java8-win.cfg",
+    ".kokoro/presubmit/java8.cfg",
+    ".kokoro/presubmit/linkage-monitor.cfg",
+    ".kokoro/presubmit/lint.cfg",
+    ".kokoro/presubmit/samples.cfg",
+    ".kokoro/release/bump_snapshot.cfg",
+    ".kokoro/release/common.cfg",
+    ".kokoro/release/common.sh",
+    ".kokoro/release/drop.cfg",
+    ".kokoro/release/drop.sh",
+    ".kokoro/release/promote.cfg",
+    ".kokoro/release/promote.sh",
+    ".kokoro/release/publish_javadoc.cfg",
+    ".kokoro/release/publish_javadoc.sh",
+    ".kokoro/release/snapshot.cfg",
+    ".kokoro/release/snapshot.sh",
+    ".kokoro/release/stage.cfg",
+    ".kokoro/release/stage.sh",
+    ".kokoro/trampoline.sh",
+    "CODE_OF_CONDUCT.md",
+    "CONTRIBUTING.md",
+    "LICENSE",
+    "codecov.yaml",
+    "grpc-google-iam-v1/src/main/java/com/google/iam/v1/IAMPolicyGrpc.java",
+    "java.header",
+    "license-checks.xml",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/AuditConfigDelta.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/AuditConfigDeltaOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/Binding.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/BindingDelta.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/BindingDeltaOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/BindingOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/GetIamPolicyRequest.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/GetIamPolicyRequestOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/GetPolicyOptions.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/GetPolicyOptionsOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/IamPolicyProto.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/OptionsProto.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/Policy.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/PolicyDelta.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/PolicyDeltaOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/PolicyOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/PolicyProto.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/SetIamPolicyRequest.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/SetIamPolicyRequestOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/TestIamPermissionsRequest.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/TestIamPermissionsRequestOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/TestIamPermissionsResponse.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/TestIamPermissionsResponseOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/logging/AuditData.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/logging/AuditDataOrBuilder.java",
+    "proto-google-iam-v1/src/main/java/com/google/iam/v1/logging/AuditDataProto.java",
+    "renovate.json"
   ]
 }
\ No newline at end of file
diff --git a/synth.py b/synth.py
index 849d74dc..c1d069e1 100644
--- a/synth.py
+++ b/synth.py
@@ -92,4 +92,5 @@ def build_grpc(target):
 java.common_templates(excludes=[
   'README.md',
   'samples/*',
+  '.github/workflows/samples.yaml',
 ])