import { Signature } from './types'; export declare function privateKeyFromSeed(seed: Uint8Array): Promise; export declare function signTransactionBytes(privKey: Uint8Array, bytes: Uint8Array): Promise; export declare function privateKeyToPubKeyHash(privateKey: Uint8Array): Promise; export declare function rescueHashOrders(orders: Uint8Array): Promise; export declare function loadZkSyncCrypto(wasmFileUrl?: string): Promise;