import { JsonRpcMiddleware } from 'json-rpc-engine';
import { Messenger, ApiConfig, SignInProvider } from '@qubic-js/core';
import BrowserBridge from '../utils/BrowserBridge';
declare class IFrame implements Messenger {
    bridge: BrowserBridge;
    private apiConfig;
    private walletUrl;
    private signInProvider?;
    private isReady;
    private element;
    isIframeAppended: boolean;
    constructor(walletUrl: string, apiConfig: ApiConfig);
    private getUrl;
    setSignInProvider: (value: SignInProvider) => void;
    removeSignInProvider: () => void;
    private show;
    hide: () => void;
    private waitUntilReady;
    createPrepareBridgeMiddleware: () => JsonRpcMiddleware<unknown, unknown>;
}
export default IFrame;