code: function HttpRule(properties) {
                  this.additionalBindings = [];
                  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 HttpRule.
  @memberof google.api
  @interface IHttpRule
  @property {string|null} [get] HttpRule get
  @property {string|null} [put] HttpRule put
  @property {string|null} [post] HttpRule post
  @property {string|null} ["delete"] HttpRule delete
  @property {string|null} [patch] HttpRule patch
  @property {google.api.ICustomHttpPattern|null} [custom] HttpRule custom
  @property {string|null} [selector] HttpRule selector
  @property {string|null} [body] HttpRule body
  @property {Array.<google.api.IHttpRule>|null} [additionalBindings] HttpRule additionalBindings
   
  Constructs a new HttpRule.
  @memberof google.api
  @classdesc Represents a HttpRule.
  @implements IHttpRule
  @constructor
  @param {google.api.IHttpRule=} [properties] Properties to set