import { Transaction, VersionedTransaction } from "@solana/web3.js";
/** Serialize an unsigned Transaction/VersionedTransaction to the wire bytes the
 *  wallet-standard sign features expect (legacy skips signature verification). */
export declare function serializeUnsignedTx(tx: Transaction | VersionedTransaction): Uint8Array;
/** Deserialize the signed bytes a wallet returns, round-tripping legacy or
 *  versioned transactions correctly. */
export declare function deserializeSignedTx(bytes: Uint8Array): Transaction | VersionedTransaction;