,
        reflect: true
      },
      /*
        @property {String} icon
        @description
      */
      icon: {
        value: "",
        reflect: true
      },
      /*
        @property {String} iconPosition
        @description
      */
      iconPosition: {
        value: "left",
        reflect: true
      },
      /*
        @property {String} type
        @description
      */
      type: {
        value: "",
        reflect: true
      },
      /*
        @property {String} trigger
        @d