diff --git a/alts/src/generated/main/grpc/io/grpc/alts/internal/HandshakerServiceGrpc.java b/alts/src/generated/main/grpc/io/grpc/alts/internal/HandshakerServiceGrpc.java
index 6e6fdd8f00..2caba4a054 100644
--- a/alts/src/generated/main/grpc/io/grpc/alts/internal/HandshakerServiceGrpc.java
+++ b/alts/src/generated/main/grpc/io/grpc/alts/internal/HandshakerServiceGrpc.java
@@ -12,7 +12,7 @@ public final class HandshakerServiceGrpc {
 
   private HandshakerServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.gcp.HandshakerService";
+  public static final java.lang.String SERVICE_NAME = "grpc.gcp.HandshakerService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.alts.internal.HandshakerReq,
@@ -261,9 +261,9 @@ public final class HandshakerServiceGrpc {
   private static final class HandshakerServiceMethodDescriptorSupplier
       extends HandshakerServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    HandshakerServiceMethodDescriptorSupplier(String methodName) {
+    HandshakerServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/BenchmarkServiceGrpc.java b/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/BenchmarkServiceGrpc.java
index 6fd21f2c03..e62c2274ee 100644
--- a/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/BenchmarkServiceGrpc.java
+++ b/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/BenchmarkServiceGrpc.java
@@ -12,7 +12,7 @@ public final class BenchmarkServiceGrpc {
 
   private BenchmarkServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.BenchmarkService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.BenchmarkService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.benchmarks.proto.Messages.SimpleRequest,
@@ -552,9 +552,9 @@ public final class BenchmarkServiceGrpc {
   private static final class BenchmarkServiceMethodDescriptorSupplier
       extends BenchmarkServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    BenchmarkServiceMethodDescriptorSupplier(String methodName) {
+    BenchmarkServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/ReportQpsScenarioServiceGrpc.java b/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/ReportQpsScenarioServiceGrpc.java
index 534ba40ed7..b24c3813c1 100644
--- a/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/ReportQpsScenarioServiceGrpc.java
+++ b/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/ReportQpsScenarioServiceGrpc.java
@@ -12,7 +12,7 @@ public final class ReportQpsScenarioServiceGrpc {
 
   private ReportQpsScenarioServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.ReportQpsScenarioService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.ReportQpsScenarioService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.benchmarks.proto.Control.ScenarioResult,
@@ -273,9 +273,9 @@ public final class ReportQpsScenarioServiceGrpc {
   private static final class ReportQpsScenarioServiceMethodDescriptorSupplier
       extends ReportQpsScenarioServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ReportQpsScenarioServiceMethodDescriptorSupplier(String methodName) {
+    ReportQpsScenarioServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/WorkerServiceGrpc.java b/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/WorkerServiceGrpc.java
index a1031d9f24..0ee6797c8e 100644
--- a/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/WorkerServiceGrpc.java
+++ b/benchmarks/src/generated/main/grpc/io/grpc/benchmarks/proto/WorkerServiceGrpc.java
@@ -12,7 +12,7 @@ public final class WorkerServiceGrpc {
 
   private WorkerServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.WorkerService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.WorkerService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.benchmarks.proto.Control.ServerArgs,
@@ -504,9 +504,9 @@ public final class WorkerServiceGrpc {
   private static final class WorkerServiceMethodDescriptorSupplier
       extends WorkerServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    WorkerServiceMethodDescriptorSupplier(String methodName) {
+    WorkerServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/compiler/src/java_plugin/cpp/java_generator.cpp b/compiler/src/java_plugin/cpp/java_generator.cpp
index 51e86d9ce3..cf84450356 100644
--- a/compiler/src/java_plugin/cpp/java_generator.cpp
+++ b/compiler/src/java_plugin/cpp/java_generator.cpp
@@ -989,9 +989,9 @@ static void PrintGetServiceDescriptorMethod(const ServiceDescriptor* service,
         "private static final class $proto_method_descriptor_supplier$\n"
         "    extends $proto_base_descriptor_supplier$\n"
         "    implements $ProtoMethodDescriptorSupplier$ {\n"
-        "  private final String methodName;\n"
+        "  private final $String$ methodName;\n"
         "\n"
-        "  $proto_method_descriptor_supplier$(String methodName) {\n"
+        "  $proto_method_descriptor_supplier$($String$ methodName) {\n"
         "    this.methodName = methodName;\n"
         "  }\n"
         "\n"
@@ -1149,7 +1149,7 @@ static void PrintService(const ServiceDescriptor* service,
 
   p->Print(
       *vars,
-      "public static final String SERVICE_NAME = "
+      "public static final $String$ SERVICE_NAME = "
       "\"$Package$$service_name$\";\n\n");
 
   PrintMethodFields(service, vars, p, flavor);
diff --git a/compiler/src/test/golden/TestDeprecatedService.java.txt b/compiler/src/test/golden/TestDeprecatedService.java.txt
index 4d7decd76e..6d11d82656 100644
--- a/compiler/src/test/golden/TestDeprecatedService.java.txt
+++ b/compiler/src/test/golden/TestDeprecatedService.java.txt
@@ -16,7 +16,7 @@ public final class TestDeprecatedServiceGrpc {
 
   private TestDeprecatedServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.compiler.TestDeprecatedService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.compiler.TestDeprecatedService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.compiler.Test.SimpleRequest,
@@ -301,9 +301,9 @@ public final class TestDeprecatedServiceGrpc {
   private static final class TestDeprecatedServiceMethodDescriptorSupplier
       extends TestDeprecatedServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    TestDeprecatedServiceMethodDescriptorSupplier(String methodName) {
+    TestDeprecatedServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/compiler/src/test/golden/TestService.java.txt b/compiler/src/test/golden/TestService.java.txt
index 57ab6753d9..01bc6338d0 100644
--- a/compiler/src/test/golden/TestService.java.txt
+++ b/compiler/src/test/golden/TestService.java.txt
@@ -15,7 +15,7 @@ public final class TestServiceGrpc {
 
   private TestServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.compiler.TestService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.compiler.TestService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.compiler.Test.SimpleRequest,
@@ -811,9 +811,9 @@ public final class TestServiceGrpc {
   private static final class TestServiceMethodDescriptorSupplier
       extends TestServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    TestServiceMethodDescriptorSupplier(String methodName) {
+    TestServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/compiler/src/testLite/golden/TestDeprecatedService.java.txt b/compiler/src/testLite/golden/TestDeprecatedService.java.txt
index b53a907e7c..ee3a7e4467 100644
--- a/compiler/src/testLite/golden/TestDeprecatedService.java.txt
+++ b/compiler/src/testLite/golden/TestDeprecatedService.java.txt
@@ -16,7 +16,7 @@ public final class TestDeprecatedServiceGrpc {
 
   private TestDeprecatedServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.compiler.TestDeprecatedService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.compiler.TestDeprecatedService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.compiler.Test.SimpleRequest,
diff --git a/compiler/src/testLite/golden/TestService.java.txt b/compiler/src/testLite/golden/TestService.java.txt
index 8da3a2f51e..2715edfadf 100644
--- a/compiler/src/testLite/golden/TestService.java.txt
+++ b/compiler/src/testLite/golden/TestService.java.txt
@@ -15,7 +15,7 @@ public final class TestServiceGrpc {
 
   private TestServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.compiler.TestService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.compiler.TestService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.compiler.Test.SimpleRequest,
diff --git a/grpclb/src/generated/main/grpc/io/grpc/lb/v1/LoadBalancerGrpc.java b/grpclb/src/generated/main/grpc/io/grpc/lb/v1/LoadBalancerGrpc.java
index 0415195bc3..c96c5400aa 100644
--- a/grpclb/src/generated/main/grpc/io/grpc/lb/v1/LoadBalancerGrpc.java
+++ b/grpclb/src/generated/main/grpc/io/grpc/lb/v1/LoadBalancerGrpc.java
@@ -12,7 +12,7 @@ public final class LoadBalancerGrpc {
 
   private LoadBalancerGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.lb.v1.LoadBalancer";
+  public static final java.lang.String SERVICE_NAME = "grpc.lb.v1.LoadBalancer";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.lb.v1.LoadBalanceRequest,
@@ -251,9 +251,9 @@ public final class LoadBalancerGrpc {
   private static final class LoadBalancerMethodDescriptorSupplier
       extends LoadBalancerBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    LoadBalancerMethodDescriptorSupplier(String methodName) {
+    LoadBalancerMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/LoadBalancerStatsServiceGrpc.java b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/LoadBalancerStatsServiceGrpc.java
index 6cae73aa31..2f4dc69c0c 100644
--- a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/LoadBalancerStatsServiceGrpc.java
+++ b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/LoadBalancerStatsServiceGrpc.java
@@ -15,7 +15,7 @@ public final class LoadBalancerStatsServiceGrpc {
 
   private LoadBalancerStatsServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.LoadBalancerStatsService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.LoadBalancerStatsService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.integration.Messages.LoadBalancerStatsRequest,
@@ -376,9 +376,9 @@ public final class LoadBalancerStatsServiceGrpc {
   private static final class LoadBalancerStatsServiceMethodDescriptorSupplier
       extends LoadBalancerStatsServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    LoadBalancerStatsServiceMethodDescriptorSupplier(String methodName) {
+    LoadBalancerStatsServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/MetricsServiceGrpc.java b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/MetricsServiceGrpc.java
index c9e0251245..1650365bd5 100644
--- a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/MetricsServiceGrpc.java
+++ b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/MetricsServiceGrpc.java
@@ -12,7 +12,7 @@ public final class MetricsServiceGrpc {
 
   private MetricsServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.MetricsService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.MetricsService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.integration.Metrics.EmptyMessage,
@@ -351,9 +351,9 @@ public final class MetricsServiceGrpc {
   private static final class MetricsServiceMethodDescriptorSupplier
       extends MetricsServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    MetricsServiceMethodDescriptorSupplier(String methodName) {
+    MetricsServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/ReconnectServiceGrpc.java b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/ReconnectServiceGrpc.java
index e79c42cb89..d1887ee83c 100644
--- a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/ReconnectServiceGrpc.java
+++ b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/ReconnectServiceGrpc.java
@@ -15,7 +15,7 @@ public final class ReconnectServiceGrpc {
 
   private ReconnectServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.ReconnectService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.ReconnectService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.integration.Messages.ReconnectParams,
@@ -352,9 +352,9 @@ public final class ReconnectServiceGrpc {
   private static final class ReconnectServiceMethodDescriptorSupplier
       extends ReconnectServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ReconnectServiceMethodDescriptorSupplier(String methodName) {
+    ReconnectServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/TestServiceGrpc.java b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/TestServiceGrpc.java
index 35ab8d72ed..08071a3b65 100644
--- a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/TestServiceGrpc.java
+++ b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/TestServiceGrpc.java
@@ -16,7 +16,7 @@ public final class TestServiceGrpc {
 
   private TestServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.TestService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.TestService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.integration.EmptyProtos.Empty,
@@ -843,9 +843,9 @@ public final class TestServiceGrpc {
   private static final class TestServiceMethodDescriptorSupplier
       extends TestServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    TestServiceMethodDescriptorSupplier(String methodName) {
+    TestServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/UnimplementedServiceGrpc.java b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/UnimplementedServiceGrpc.java
index d906409ea6..9711386185 100644
--- a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/UnimplementedServiceGrpc.java
+++ b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/UnimplementedServiceGrpc.java
@@ -16,7 +16,7 @@ public final class UnimplementedServiceGrpc {
 
   private UnimplementedServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.UnimplementedService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.UnimplementedService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.integration.EmptyProtos.Empty,
@@ -297,9 +297,9 @@ public final class UnimplementedServiceGrpc {
   private static final class UnimplementedServiceMethodDescriptorSupplier
       extends UnimplementedServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    UnimplementedServiceMethodDescriptorSupplier(String methodName) {
+    UnimplementedServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/XdsUpdateClientConfigureServiceGrpc.java b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/XdsUpdateClientConfigureServiceGrpc.java
index f4c1c5dbf3..164119a29e 100644
--- a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/XdsUpdateClientConfigureServiceGrpc.java
+++ b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/XdsUpdateClientConfigureServiceGrpc.java
@@ -15,7 +15,7 @@ public final class XdsUpdateClientConfigureServiceGrpc {
 
   private XdsUpdateClientConfigureServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.XdsUpdateClientConfigureService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.XdsUpdateClientConfigureService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.integration.Messages.ClientConfigureRequest,
@@ -291,9 +291,9 @@ public final class XdsUpdateClientConfigureServiceGrpc {
   private static final class XdsUpdateClientConfigureServiceMethodDescriptorSupplier
       extends XdsUpdateClientConfigureServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    XdsUpdateClientConfigureServiceMethodDescriptorSupplier(String methodName) {
+    XdsUpdateClientConfigureServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/XdsUpdateHealthServiceGrpc.java b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/XdsUpdateHealthServiceGrpc.java
index 3fab6b2359..dccd23ccbe 100644
--- a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/XdsUpdateHealthServiceGrpc.java
+++ b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/XdsUpdateHealthServiceGrpc.java
@@ -15,7 +15,7 @@ public final class XdsUpdateHealthServiceGrpc {
 
   private XdsUpdateHealthServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.XdsUpdateHealthService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.XdsUpdateHealthService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.integration.EmptyProtos.Empty,
@@ -352,9 +352,9 @@ public final class XdsUpdateHealthServiceGrpc {
   private static final class XdsUpdateHealthServiceMethodDescriptorSupplier
       extends XdsUpdateHealthServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    XdsUpdateHealthServiceMethodDescriptorSupplier(String methodName) {
+    XdsUpdateHealthServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/istio-interop-testing/src/generated/main/grpc/io/istio/test/EchoTestServiceGrpc.java b/istio-interop-testing/src/generated/main/grpc/io/istio/test/EchoTestServiceGrpc.java
index 8134aee880..1f48c16aed 100644
--- a/istio-interop-testing/src/generated/main/grpc/io/istio/test/EchoTestServiceGrpc.java
+++ b/istio-interop-testing/src/generated/main/grpc/io/istio/test/EchoTestServiceGrpc.java
@@ -12,7 +12,7 @@ public final class EchoTestServiceGrpc {
 
   private EchoTestServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "proto.EchoTestService";
+  public static final java.lang.String SERVICE_NAME = "proto.EchoTestService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.istio.test.Echo.EchoRequest,
@@ -334,9 +334,9 @@ public final class EchoTestServiceGrpc {
   private static final class EchoTestServiceMethodDescriptorSupplier
       extends EchoTestServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    EchoTestServiceMethodDescriptorSupplier(String methodName) {
+    EchoTestServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/rls/src/generated/main/grpc/io/grpc/lookup/v1/RouteLookupServiceGrpc.java b/rls/src/generated/main/grpc/io/grpc/lookup/v1/RouteLookupServiceGrpc.java
index 07a0e3ebdc..d7334b942f 100644
--- a/rls/src/generated/main/grpc/io/grpc/lookup/v1/RouteLookupServiceGrpc.java
+++ b/rls/src/generated/main/grpc/io/grpc/lookup/v1/RouteLookupServiceGrpc.java
@@ -12,7 +12,7 @@ public final class RouteLookupServiceGrpc {
 
   private RouteLookupServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.lookup.v1.RouteLookupService";
+  public static final java.lang.String SERVICE_NAME = "grpc.lookup.v1.RouteLookupService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.lookup.v1.RouteLookupRequest,
@@ -273,9 +273,9 @@ public final class RouteLookupServiceGrpc {
   private static final class RouteLookupServiceMethodDescriptorSupplier
       extends RouteLookupServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    RouteLookupServiceMethodDescriptorSupplier(String methodName) {
+    RouteLookupServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/services/src/generated/main/grpc/io/grpc/channelz/v1/ChannelzGrpc.java b/services/src/generated/main/grpc/io/grpc/channelz/v1/ChannelzGrpc.java
index 1b85f67567..b3c1c285c8 100644
--- a/services/src/generated/main/grpc/io/grpc/channelz/v1/ChannelzGrpc.java
+++ b/services/src/generated/main/grpc/io/grpc/channelz/v1/ChannelzGrpc.java
@@ -16,7 +16,7 @@ public final class ChannelzGrpc {
 
   private ChannelzGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.channelz.v1.Channelz";
+  public static final java.lang.String SERVICE_NAME = "grpc.channelz.v1.Channelz";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.channelz.v1.GetTopChannelsRequest,
@@ -811,9 +811,9 @@ public final class ChannelzGrpc {
   private static final class ChannelzMethodDescriptorSupplier
       extends ChannelzBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ChannelzMethodDescriptorSupplier(String methodName) {
+    ChannelzMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/services/src/generated/main/grpc/io/grpc/health/v1/HealthGrpc.java b/services/src/generated/main/grpc/io/grpc/health/v1/HealthGrpc.java
index 31bf9f0e20..73ddd4e0d2 100644
--- a/services/src/generated/main/grpc/io/grpc/health/v1/HealthGrpc.java
+++ b/services/src/generated/main/grpc/io/grpc/health/v1/HealthGrpc.java
@@ -12,7 +12,7 @@ public final class HealthGrpc {
 
   private HealthGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.health.v1.Health";
+  public static final java.lang.String SERVICE_NAME = "grpc.health.v1.Health";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.health.v1.HealthCheckRequest,
@@ -388,9 +388,9 @@ public final class HealthGrpc {
   private static final class HealthMethodDescriptorSupplier
       extends HealthBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    HealthMethodDescriptorSupplier(String methodName) {
+    HealthMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/services/src/generated/main/grpc/io/grpc/reflection/v1alpha/ServerReflectionGrpc.java b/services/src/generated/main/grpc/io/grpc/reflection/v1alpha/ServerReflectionGrpc.java
index ebe541e0e9..7119e96d1f 100644
--- a/services/src/generated/main/grpc/io/grpc/reflection/v1alpha/ServerReflectionGrpc.java
+++ b/services/src/generated/main/grpc/io/grpc/reflection/v1alpha/ServerReflectionGrpc.java
@@ -12,7 +12,7 @@ public final class ServerReflectionGrpc {
 
   private ServerReflectionGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.reflection.v1alpha.ServerReflection";
+  public static final java.lang.String SERVICE_NAME = "grpc.reflection.v1alpha.ServerReflection";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.reflection.v1alpha.ServerReflectionRequest,
@@ -253,9 +253,9 @@ public final class ServerReflectionGrpc {
   private static final class ServerReflectionMethodDescriptorSupplier
       extends ServerReflectionBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ServerReflectionMethodDescriptorSupplier(String methodName) {
+    ServerReflectionMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/services/src/generated/test/grpc/io/grpc/reflection/testing/AnotherDynamicServiceGrpc.java b/services/src/generated/test/grpc/io/grpc/reflection/testing/AnotherDynamicServiceGrpc.java
index 4e4c2fc517..088d27b619 100644
--- a/services/src/generated/test/grpc/io/grpc/reflection/testing/AnotherDynamicServiceGrpc.java
+++ b/services/src/generated/test/grpc/io/grpc/reflection/testing/AnotherDynamicServiceGrpc.java
@@ -15,7 +15,7 @@ public final class AnotherDynamicServiceGrpc {
 
   private AnotherDynamicServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.reflection.testing.AnotherDynamicService";
+  public static final java.lang.String SERVICE_NAME = "grpc.reflection.testing.AnotherDynamicService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.reflection.testing.DynamicRequest,
@@ -291,9 +291,9 @@ public final class AnotherDynamicServiceGrpc {
   private static final class AnotherDynamicServiceMethodDescriptorSupplier
       extends AnotherDynamicServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    AnotherDynamicServiceMethodDescriptorSupplier(String methodName) {
+    AnotherDynamicServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/services/src/generated/test/grpc/io/grpc/reflection/testing/AnotherReflectableServiceGrpc.java b/services/src/generated/test/grpc/io/grpc/reflection/testing/AnotherReflectableServiceGrpc.java
index 68d03ef4f6..a84b95b212 100644
--- a/services/src/generated/test/grpc/io/grpc/reflection/testing/AnotherReflectableServiceGrpc.java
+++ b/services/src/generated/test/grpc/io/grpc/reflection/testing/AnotherReflectableServiceGrpc.java
@@ -12,7 +12,7 @@ public final class AnotherReflectableServiceGrpc {
 
   private AnotherReflectableServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.reflection.testing.AnotherReflectableService";
+  public static final java.lang.String SERVICE_NAME = "grpc.reflection.testing.AnotherReflectableService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.reflection.testing.Request,
@@ -261,9 +261,9 @@ public final class AnotherReflectableServiceGrpc {
   private static final class AnotherReflectableServiceMethodDescriptorSupplier
       extends AnotherReflectableServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    AnotherReflectableServiceMethodDescriptorSupplier(String methodName) {
+    AnotherReflectableServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/services/src/generated/test/grpc/io/grpc/reflection/testing/DynamicServiceGrpc.java b/services/src/generated/test/grpc/io/grpc/reflection/testing/DynamicServiceGrpc.java
index 3fbc30db9e..338b67e684 100644
--- a/services/src/generated/test/grpc/io/grpc/reflection/testing/DynamicServiceGrpc.java
+++ b/services/src/generated/test/grpc/io/grpc/reflection/testing/DynamicServiceGrpc.java
@@ -15,7 +15,7 @@ public final class DynamicServiceGrpc {
 
   private DynamicServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.reflection.testing.DynamicService";
+  public static final java.lang.String SERVICE_NAME = "grpc.reflection.testing.DynamicService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.reflection.testing.DynamicRequest,
@@ -291,9 +291,9 @@ public final class DynamicServiceGrpc {
   private static final class DynamicServiceMethodDescriptorSupplier
       extends DynamicServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    DynamicServiceMethodDescriptorSupplier(String methodName) {
+    DynamicServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/services/src/generated/test/grpc/io/grpc/reflection/testing/ReflectableServiceGrpc.java b/services/src/generated/test/grpc/io/grpc/reflection/testing/ReflectableServiceGrpc.java
index b8e17ccf05..0b8954b5eb 100644
--- a/services/src/generated/test/grpc/io/grpc/reflection/testing/ReflectableServiceGrpc.java
+++ b/services/src/generated/test/grpc/io/grpc/reflection/testing/ReflectableServiceGrpc.java
@@ -12,7 +12,7 @@ public final class ReflectableServiceGrpc {
 
   private ReflectableServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.reflection.testing.ReflectableService";
+  public static final java.lang.String SERVICE_NAME = "grpc.reflection.testing.ReflectableService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.reflection.testing.Request,
@@ -261,9 +261,9 @@ public final class ReflectableServiceGrpc {
   private static final class ReflectableServiceMethodDescriptorSupplier
       extends ReflectableServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ReflectableServiceMethodDescriptorSupplier(String methodName) {
+    ReflectableServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/testing-proto/src/generated/main/grpc/io/grpc/testing/protobuf/SimpleServiceGrpc.java b/testing-proto/src/generated/main/grpc/io/grpc/testing/protobuf/SimpleServiceGrpc.java
index 3dc0e9d3c5..8c58f2c5a2 100644
--- a/testing-proto/src/generated/main/grpc/io/grpc/testing/protobuf/SimpleServiceGrpc.java
+++ b/testing-proto/src/generated/main/grpc/io/grpc/testing/protobuf/SimpleServiceGrpc.java
@@ -15,7 +15,7 @@ public final class SimpleServiceGrpc {
 
   private SimpleServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "grpc.testing.SimpleService";
+  public static final java.lang.String SERVICE_NAME = "grpc.testing.SimpleService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.grpc.testing.protobuf.SimpleRequest,
@@ -492,9 +492,9 @@ public final class SimpleServiceGrpc {
   private static final class SimpleServiceMethodDescriptorSupplier
       extends SimpleServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    SimpleServiceMethodDescriptorSupplier(String methodName) {
+    SimpleServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/com/github/xds/service/orca/v3/OpenRcaServiceGrpc.java b/xds/src/generated/thirdparty/grpc/com/github/xds/service/orca/v3/OpenRcaServiceGrpc.java
index cf9725f107..de2c7424fc 100644
--- a/xds/src/generated/thirdparty/grpc/com/github/xds/service/orca/v3/OpenRcaServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/com/github/xds/service/orca/v3/OpenRcaServiceGrpc.java
@@ -22,7 +22,7 @@ public final class OpenRcaServiceGrpc {
 
   private OpenRcaServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "xds.service.orca.v3.OpenRcaService";
+  public static final java.lang.String SERVICE_NAME = "xds.service.orca.v3.OpenRcaService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<com.github.xds.service.orca.v3.OrcaLoadReportRequest,
@@ -314,9 +314,9 @@ public final class OpenRcaServiceGrpc {
   private static final class OpenRcaServiceMethodDescriptorSupplier
       extends OpenRcaServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    OpenRcaServiceMethodDescriptorSupplier(String methodName) {
+    OpenRcaServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ClusterDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ClusterDiscoveryServiceGrpc.java
index 602c455437..f6b7bd11f6 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ClusterDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ClusterDiscoveryServiceGrpc.java
@@ -15,7 +15,7 @@ public final class ClusterDiscoveryServiceGrpc {
 
   private ClusterDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.api.v2.ClusterDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.api.v2.ClusterDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.api.v2.DiscoveryRequest,
@@ -393,9 +393,9 @@ public final class ClusterDiscoveryServiceGrpc {
   private static final class ClusterDiscoveryServiceMethodDescriptorSupplier
       extends ClusterDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ClusterDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    ClusterDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/EndpointDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/EndpointDiscoveryServiceGrpc.java
index c1c5f3e989..931b7b9f5d 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/EndpointDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/EndpointDiscoveryServiceGrpc.java
@@ -12,7 +12,7 @@ public final class EndpointDiscoveryServiceGrpc {
 
   private EndpointDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.api.v2.EndpointDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.api.v2.EndpointDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.api.v2.DiscoveryRequest,
@@ -383,9 +383,9 @@ public final class EndpointDiscoveryServiceGrpc {
   private static final class EndpointDiscoveryServiceMethodDescriptorSupplier
       extends EndpointDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    EndpointDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    EndpointDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ListenerDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ListenerDiscoveryServiceGrpc.java
index 9e5cd92f0c..6871f72eb6 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ListenerDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ListenerDiscoveryServiceGrpc.java
@@ -18,7 +18,7 @@ public final class ListenerDiscoveryServiceGrpc {
 
   private ListenerDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.api.v2.ListenerDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.api.v2.ListenerDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.api.v2.DeltaDiscoveryRequest,
@@ -411,9 +411,9 @@ public final class ListenerDiscoveryServiceGrpc {
   private static final class ListenerDiscoveryServiceMethodDescriptorSupplier
       extends ListenerDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ListenerDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    ListenerDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/RouteDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/RouteDiscoveryServiceGrpc.java
index fe1991f488..214dd17ee9 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/RouteDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/RouteDiscoveryServiceGrpc.java
@@ -19,7 +19,7 @@ public final class RouteDiscoveryServiceGrpc {
 
   private RouteDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.api.v2.RouteDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.api.v2.RouteDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.api.v2.DiscoveryRequest,
@@ -417,9 +417,9 @@ public final class RouteDiscoveryServiceGrpc {
   private static final class RouteDiscoveryServiceMethodDescriptorSupplier
       extends RouteDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    RouteDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    RouteDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ScopedRoutesDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ScopedRoutesDiscoveryServiceGrpc.java
index ec23ffe012..4478980c29 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ScopedRoutesDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/ScopedRoutesDiscoveryServiceGrpc.java
@@ -21,7 +21,7 @@ public final class ScopedRoutesDiscoveryServiceGrpc {
 
   private ScopedRoutesDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.api.v2.ScopedRoutesDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.api.v2.ScopedRoutesDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.api.v2.DiscoveryRequest,
@@ -429,9 +429,9 @@ public final class ScopedRoutesDiscoveryServiceGrpc {
   private static final class ScopedRoutesDiscoveryServiceMethodDescriptorSupplier
       extends ScopedRoutesDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ScopedRoutesDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    ScopedRoutesDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/VirtualHostDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/VirtualHostDiscoveryServiceGrpc.java
index 45f0fed18f..39839a1ecd 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/VirtualHostDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/api/v2/VirtualHostDiscoveryServiceGrpc.java
@@ -24,7 +24,7 @@ public final class VirtualHostDiscoveryServiceGrpc {
 
   private VirtualHostDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.api.v2.VirtualHostDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.api.v2.VirtualHostDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.api.v2.DeltaDiscoveryRequest,
@@ -317,9 +317,9 @@ public final class VirtualHostDiscoveryServiceGrpc {
   private static final class VirtualHostDiscoveryServiceMethodDescriptorSupplier
       extends VirtualHostDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    VirtualHostDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    VirtualHostDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v2/AggregatedDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v2/AggregatedDiscoveryServiceGrpc.java
index 947b679547..1d7aee1b50 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v2/AggregatedDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v2/AggregatedDiscoveryServiceGrpc.java
@@ -20,7 +20,7 @@ public final class AggregatedDiscoveryServiceGrpc {
 
   private AggregatedDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.service.discovery.v2.AggregatedDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.service.discovery.v2.AggregatedDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.api.v2.DiscoveryRequest,
@@ -356,9 +356,9 @@ public final class AggregatedDiscoveryServiceGrpc {
   private static final class AggregatedDiscoveryServiceMethodDescriptorSupplier
       extends AggregatedDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    AggregatedDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    AggregatedDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v2/SecretDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v2/SecretDiscoveryServiceGrpc.java
index b83bdf3eeb..33bb1308cf 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v2/SecretDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v2/SecretDiscoveryServiceGrpc.java
@@ -12,7 +12,7 @@ public final class SecretDiscoveryServiceGrpc {
 
   private SecretDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.service.discovery.v2.SecretDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.service.discovery.v2.SecretDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.api.v2.DeltaDiscoveryRequest,
@@ -375,9 +375,9 @@ public final class SecretDiscoveryServiceGrpc {
   private static final class SecretDiscoveryServiceMethodDescriptorSupplier
       extends SecretDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    SecretDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    SecretDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v3/AggregatedDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v3/AggregatedDiscoveryServiceGrpc.java
index 73070b2136..e039c2193e 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v3/AggregatedDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/discovery/v3/AggregatedDiscoveryServiceGrpc.java
@@ -20,7 +20,7 @@ public final class AggregatedDiscoveryServiceGrpc {
 
   private AggregatedDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.service.discovery.v3.AggregatedDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.service.discovery.v3.AggregatedDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.service.discovery.v3.DiscoveryRequest,
@@ -356,9 +356,9 @@ public final class AggregatedDiscoveryServiceGrpc {
   private static final class AggregatedDiscoveryServiceMethodDescriptorSupplier
       extends AggregatedDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    AggregatedDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    AggregatedDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/load_stats/v2/LoadReportingServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/load_stats/v2/LoadReportingServiceGrpc.java
index 370c844f6e..5bd4e5edfb 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/load_stats/v2/LoadReportingServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/load_stats/v2/LoadReportingServiceGrpc.java
@@ -12,7 +12,7 @@ public final class LoadReportingServiceGrpc {
 
   private LoadReportingServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.service.load_stats.v2.LoadReportingService";
+  public static final java.lang.String SERVICE_NAME = "envoy.service.load_stats.v2.LoadReportingService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.service.load_stats.v2.LoadStatsRequest,
@@ -303,9 +303,9 @@ public final class LoadReportingServiceGrpc {
   private static final class LoadReportingServiceMethodDescriptorSupplier
       extends LoadReportingServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    LoadReportingServiceMethodDescriptorSupplier(String methodName) {
+    LoadReportingServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/load_stats/v3/LoadReportingServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/load_stats/v3/LoadReportingServiceGrpc.java
index be1c2ab7d4..2adbf02e98 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/load_stats/v3/LoadReportingServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/load_stats/v3/LoadReportingServiceGrpc.java
@@ -12,7 +12,7 @@ public final class LoadReportingServiceGrpc {
 
   private LoadReportingServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.service.load_stats.v3.LoadReportingService";
+  public static final java.lang.String SERVICE_NAME = "envoy.service.load_stats.v3.LoadReportingService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.service.load_stats.v3.LoadStatsRequest,
@@ -303,9 +303,9 @@ public final class LoadReportingServiceGrpc {
   private static final class LoadReportingServiceMethodDescriptorSupplier
       extends LoadReportingServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    LoadReportingServiceMethodDescriptorSupplier(String methodName) {
+    LoadReportingServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/status/v3/ClientStatusDiscoveryServiceGrpc.java b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/status/v3/ClientStatusDiscoveryServiceGrpc.java
index 95fd294c1a..3f8874248d 100644
--- a/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/status/v3/ClientStatusDiscoveryServiceGrpc.java
+++ b/xds/src/generated/thirdparty/grpc/io/envoyproxy/envoy/service/status/v3/ClientStatusDiscoveryServiceGrpc.java
@@ -17,7 +17,7 @@ public final class ClientStatusDiscoveryServiceGrpc {
 
   private ClientStatusDiscoveryServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "envoy.service.status.v3.ClientStatusDiscoveryService";
+  public static final java.lang.String SERVICE_NAME = "envoy.service.status.v3.ClientStatusDiscoveryService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<io.envoyproxy.envoy.service.status.v3.ClientStatusRequest,
@@ -348,9 +348,9 @@ public final class ClientStatusDiscoveryServiceGrpc {
   private static final class ClientStatusDiscoveryServiceMethodDescriptorSupplier
       extends ClientStatusDiscoveryServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    ClientStatusDiscoveryServiceMethodDescriptorSupplier(String methodName) {
+    ClientStatusDiscoveryServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }