code: function() {
      var result = []
      var self = this
      this.ALL_METHODS.forEach(function(method) {
        if (self[method]) {
          result.push(method)
        }
      })
  
      return result
    }
docs: ***************************************************************************
  @method supportedMethods
  @description Returns a list of HTTP methods supported by this endpoint
  @returns {Array.<string>}