/**
 * @license
 * Copyright 2021 Google LLC
 *
 * 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.
 */
/**
 * Utility methods for hexadecimal representations of colors.
 */
/**
 * @param argb ARGB representation of a color.
 * @return Hex string representing color, ex. #ff0000 for red.
 */
export declare function hexFromArgb(argb: number): string;
/**
 * @param hex String representing color as hex code. Accepts strings with or
 *     without leading #, and string representing the color using 3, 6, or 8
 *     hex characters.
 * @return ARGB representation of color.
 */
export declare function argbFromHex(hex: string): number;