code: function normalizeValidator(validator) {
  	        if (validator.validate !== undefined) {
  	            return function (c) { return validator.validate(c); };
  	        }
  	        else {
  	            return validator;
  	        }
  	    }
docs: @license
  Copyright Google Inc. All Rights Reserved.
  
  Use of this source code is governed by an MIT-style license that can be
  found in the LICENSE file at https://angular.io/license