export declare const bytesToNumberLE: (bytes: Uint8Array) => bigint;
export declare const numberToBytesLE: (n: bigint, len: number) => Uint8Array;
export declare const bytesToUint64s: (b: Uint8Array) => BigUint64Array;
export declare const uint64sToBytes: (w: BigUint64Array) => Uint8Array;
export declare const swap_block: (k: BigUint64Array, N: number) => void;
export declare const equalBytes: (a: Uint8Array, b: Uint8Array) => boolean;