import { ExternalRequestPromise } from '@soul-wallet/extension-base/background/KoniTypes';
import { QrState, Web3Transaction } from '@soul-wallet/extension-base/signers/types';
import { SignerResult } from '@polkadot/api/types';
interface CallbackProps {
    qrState: QrState;
}
interface QrSignerProps {
    callback: (state: CallbackProps) => void;
    id: string;
    setState: (promise: ExternalRequestPromise) => void;
    resolver: () => void;
}
export default class QrSigner {
    #private;
    constructor({ callback, id, resolver, setState }: QrSignerProps);
    signTransaction(tx: Web3Transaction): Promise<SignerResult>;
}
export {};