import type { Signer, SignerResult } from '@polkadot/api/types';
import type { Registry, SignerPayloadJSON } from '@polkadot/types/types';
import { ExternalRequestPromise } from '@soul-wallet/extension-base/background/KoniTypes';
import { LedgerState } from '@soul-wallet/extension-base/signers/types';
interface CallbackProps {
    ledgerState: LedgerState;
}
export default class LedgerSigner implements Signer {
    #private;
    constructor(registry: Registry, callback: (state: CallbackProps) => void, id: string, setState: (promise: ExternalRequestPromise) => void);
    signPayload(payload: SignerPayloadJSON): Promise<SignerResult>;
}
export {};