import { UnsignedTransaction } from '../typings/unsignedTransaction';
import { TransactionId } from '../typings/transactionId';
import { DefaultSendArgs } from '../typings/args/defaultSendArgs';
import { ChainService } from '../service';
declare type TransactionFn = (args: any) => Promise<UnsignedTransaction>;
export declare const signIfPrivateKey: (service: ChainService, txArgs: DefaultSendArgs, transactionFn: TransactionFn) => Promise<UnsignedTransaction | TransactionId>;
export {};