code: function MethodDescriptorProto(properties) {
                  if (properties)
                      for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                          if (properties[keys[i]] != null)
                              this[keys[i]] = properties[keys[i]];
              }
docs: Properties of a MethodDescriptorProto.
  @memberof google.protobuf
  @interface IMethodDescriptorProto
  @property {string|null} [name] MethodDescriptorProto name
  @property {string|null} [inputType] MethodDescriptorProto inputType
  @property {string|null} [outputType] MethodDescriptorProto outputType
  @property {google.protobuf.IMethodOptions|null} [options] MethodDescriptorProto options
  @property {boolean|null} [clientStreaming] MethodDescriptorProto clientStreaming
  @property {boolean|null} [serverStreaming] MethodDescriptorProto serverStreaming
   
  Constructs a new MethodDescriptorProto.
  @memberof google.protobuf
  @classdesc Represents a MethodDescriptorProto.
  @implements IMethodDescriptorProto
  @constructor
  @param {google.protobuf.IMethodDescriptorProto=} [properties] Properties to set