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/** * Copyright 2020 Google Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *     http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *//** * Sets the viewport of the page. * @public */export interface Viewport {  /**   * The page width in pixels.   */  width: number;  /**   * The page height in pixels.   */  height: number;  /**   * Specify device scale factor.   * See {@link https://developer.mozilla.org/en-US/docs/Web/API/Window/devicePixelRatio | devicePixelRatio} for more info.   * @defaultValue 1   */  deviceScaleFactor?: number;  /**   * Whether the `meta viewport` tag is taken into account.   * @defaultValue false   */  isMobile?: boolean;  /**   * Specifies if the viewport is in landscape mode.   * @defaultValue false   */  isLandscape?: boolean;  /**   * Specify if the viewport supports touch events.   * @defaultValue false   */  hasTouch?: boolean;}