declare const isBlurhashValid: (blurhash: string) => { result: boolean; errorReason?: string; }; declare const decode: (blurhash: string, width: number, height: number, punch?: number) => Uint8ClampedArray; declare const encode: (pixels: Uint8ClampedArray, width: number, height: number, componentX: number, componentY: number) => string; declare class ValidationError extends Error { constructor(message: string); } export { ValidationError, decode, encode, isBlurhashValid };