export declare class ColorCache<K, V> {
    private cache;
    private readonly maxSize;
    constructor(maxSize?: number);
    get(key: K): V | undefined;
    set(key: K, value: V): void;
    has(key: K): boolean;
    clear(): void;
    get size(): number;
    getStats(): {
        size: number;
        maxSize: number;
        utilizationPercent: number;
    };
}
export declare const parseCache: ColorCache<string, any>;
export declare const conversionCache: ColorCache<string, any>;
export declare const luminanceCache: ColorCache<string, number>;
export declare const contrastCache: ColorCache<string, number>;
export declare function clearAllCaches(): void;
export declare function getAllCacheStats(): {
    parseCache: {
        size: number;
        maxSize: number;
        utilizationPercent: number;
    };
    conversionCache: {
        size: number;
        maxSize: number;
        utilizationPercent: number;
    };
    luminanceCache: {
        size: number;
        maxSize: number;
        utilizationPercent: number;
    };
    contrastCache: {
        size: number;
        maxSize: number;
        utilizationPercent: number;
    };
};
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