declare function assertPointOnBn(x: bigint, y: bigint): void;
declare function assertInBnField(x: bigint): void;
declare function unsafeHex2Bytes(hex: string): Uint8Array;
declare function numOfUin256s(hex: string): number;
export { assertPointOnBn, assertInBnField, unsafeHex2Bytes, numOfUin256s };