code: public alluxio.grpc.ServiceType getServiceType() {
      alluxio.grpc.ServiceType result = alluxio.grpc.ServiceType.valueOf(serviceType_);
      return result == null ? alluxio.grpc.ServiceType.UNKNOWN_SERVICE : result;
    }
docs: <code>optional .alluxio.grpc.version.ServiceType serviceType = 1;</code>