System . register ( [ ] , function ( exports_1 , context_1 ) { "use strict" ; var __moduleName = context_1 && context_1 . id ; var Appearance ; return { setters : [ ] , execute : function ( ) { Appearance = class ( function ( ) { function Appearance ( ) { } return Appearance ; } ( ) ) ; exports_1 ( "Appearance" , Appearance ) ; } } ; } ) ;