export declare class HKDFError extends Error {
    constructor(message?: string);
}
export declare class KeyLengthError extends HKDFError {
    name: string;
    constructor(maxLength: number, algorithm: string);
}
export declare class UnsupportedAlgorithm extends HKDFError {
    name: string;
    constructor(algorithm: string);
}
//# sourceMappingURL=errors.d.ts.map