public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      io.grpc.examples.helloworld.HelloRequest parsedMessage = null;
      try {
        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        parsedMessage = (io.grpc.examples.helloworld.HelloRequest) e.getUnfinishedMessage();
        throw e.unwrapIOException();
      } finally {
        if (parsedMessage != null) {
          mergeFrom(parsedMessage);
        }
      }
      return this;
    }
<pre>
The request message containing the user's name.
</pre>

Protobuf type {@code helloworld.HelloRequest}
agent-module/plugins-it/google-grpc-it/google-grpc-1-8-it/src/test/java/io/grpc/examples/helloworld/HelloRequest.java