/**
 * @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.
 */
/**
 * Quantizes an image into a map, with keys of ARGB colors, and values of the
 * number of times that color appears in the image.
 */
export declare class QuantizerMap {
    /**
     * @param pixels Colors in ARGB format.
     * @return A Map with keys of ARGB colors, and values of the number of times
     *     the color appears in the image.
     */
    static quantize(pixels: number[]): Map<number, number>;
}