export type RGBA = [number, number, number, number];
export declare class ColorCache {
    private _colorStore;
    constructor();
    /**
     * Converts a color string to an RGBA array and caches it. If the color string is already in the cache, it returns
     * the cached RGBA array.
     * @param colorString - The color string
     * @returns The RGBA array
     */
    getColor(colorString: string): RGBA;
    /**
     * Clears the cache.
     */
    clearCache(): void;
}