code: function(builder, root, name, options) {
              Namespace.call(this, builder, root, name, options);
  
              /**
               * @override
               */
              this.className = "Service";
  
              /**
               * Built runtime service class.
               * @type {?function(new:ProtoBuf.Builder.Service)}
               */
              this.clazz = null;
          }
docs: Constructs a new Service.
  @exports ProtoBuf.Reflect.Service
  @param {!ProtoBuf.Builder} builder Builder reference
  @param {!ProtoBuf.Reflect.Namespace} root Root
  @param {string} name Service name
  @param {Object.<string,*>=} options Options
  @constructor
  @extends ProtoBuf.Reflect.Namespace