import { SuiSignMessageOutput, SuiSignPersonalMessageOutput } from '@mysten/wallet-standard';
/**
 * Verify a signed message based on Sui standard.
 *
 * @param {SuiSignPersonalMessageOutput | SuiSignMessageOutput} input - The signed message input. It should be either SuiSignPersonalMessageOutput or SuiSignMessageOutput.
 * @param {Uint8Array} publicKey - The public key used for verification.
 * @return {Promise<boolean>} A promise that resolves to a boolean indicating whether the signature is valid or not.
 * @throws {Error} If the input is neither SuiSignPersonalMessageOutput nor SuiSignMessageOutput.
 */
export declare function verifySignedMessage(input: SuiSignPersonalMessageOutput | SuiSignMessageOutput, publicKey: Uint8Array): Promise<boolean>;