/**
 * @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';
/**
 * @ngModule CommonModule
 * @whatItDoes Transforms string to uppercase.
 * @howToUse `expression | uppercase`
 * @description
 *
 * Converts value into an uppercase string using `String.prototype.toUpperCase()`.
 *
 * ### Example
 *
 * {@example common/pipes/ts/lowerupper_pipe.ts region='LowerUpperPipe'}
 *
 * @stable
 */
export declare class UpperCasePipe implements PipeTransform {
    transform(value: string): string;
}