/** @format */
/**
 * Class representing a VP8L color cache.
 */
export declare class VP8LColorCache {
    /**
     * Array of color entries.
     * @private
     */
    private readonly _colors;
    /**
     * Hash shift value calculated as 32 - hashBits.
     * @private
     */
    private readonly _hashShift;
    /**
     * Create a VP8LColorCache.
     * @param {number} hashBits - Number of bits for the hash.
     */
    constructor(hashBits: number);
    /**
     * Insert a color into the cache.
     * @param {number} argb - The color value in ARGB format.
     */
    insert(argb: number): void;
    /**
     * Lookup a color in the cache.
     * @param {number} key - The key to lookup.
     * @returns {number} - The color value in ARGB format.
     */
    lookup(key: number): number;
    /**
     * Multiplier used in the hash function.
     * @private
     * @static
     */
    private static readonly hashMultiplier;
}