/** * @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 */import{PipeTransform}from'@angular/core';/** * Transforms text to lowercase. * * {@example common/pipes/ts/lowerupper_pipe.ts region='LowerUpperPipe' } * * @stable */exportdeclareclassLowerCasePipeimplementsPipeTransform{transform(value:string):string;}/** * Transforms text to titlecase. * * @stable */exportdeclareclassTitleCasePipeimplementsPipeTransform{transform(value:string):string;}/** * Transforms text to uppercase. * * @stable */exportdeclareclassUpperCasePipeimplementsPipeTransform{transform(value:string):string;}