demo/bundle.js
/**
               * {@see MDCTextFieldHelperTextAdapter} for typing information on parameters and return
               * types.
               * @return {!MDCTextFieldHelperTextAdapter}
               */
MDCTextFieldHelperTextAdapter for typing information on parameters and return
types.
MDCTextFieldHelperTextAdapter for typing information on parameters and return types .
static get defaultAdapter() {
                return  ({
                  addClass: () => {},
                  removeClass: () => {},
                  hasClass: () => {},
                  setAttr: () => {},
                  removeAttr: () => {},
                  setContent: () => {},
                });
              }
static get defaultAdapter ( ) { return ( { addClass : ( ) => { } , removeClass : ( ) => { } , hasClass : ( ) => { } , setAttr : ( ) => { } , removeAttr : ( ) => { } , setContent : ( ) => { } , } ) ; }
{@see MDCTextFieldHelperTextAdapter} for typing information on parameters and return
 types.
{ @see MDCTextFieldHelperTextAdapter } for typing information on parameters and return types .
/** @type {!MDCTextFieldHelperTextAdapter} */