import { PublicKey, ExtendedPublicKey } from '../../../types/key';
import { UnsignedTransaction } from '../../../types/transaction';
import { _AnyProtocol, _BaseProtocol } from '../../protocol';
export declare type MultisigExtension<T extends _AnyProtocol> = T extends _BaseProtocol<any, any, any, any, any, any, infer _PublicKey> ? MultisigProtocol<_PublicKey, UnsignedTransaction> : never;
export interface MultisigProtocol<_PublicKey extends PublicKey | ExtendedPublicKey = PublicKey, _UnsignedTransaction extends UnsignedTransaction = UnsignedTransaction> {
    getMultisigStatus(publicKey: PublicKey): Promise<boolean>;
}