import { OKXInjectProvider } from "../types/IInjectProvider";
import { ConnectRequestWalletResponse, ConnectWalletNameSpace, RequestParams, UniversalAccountItem } from "../../protocol";
export declare class BtcProvider implements OKXInjectProvider {
    private accountChangedBtcHandler;
    connect(): Promise<any>;
    private switchChain;
    parseConnectResponse(needPop: boolean, accountChange: boolean, signalChain: boolean, connectWalletNameSpace: ConnectWalletNameSpace[], connectRequestWalletResponse: ConnectRequestWalletResponse): Promise<UniversalAccountItem | undefined>;
    restoreConnect(): Promise<void>;
    send(request: RequestParams): Promise<any>;
    private hasFunction;
    singleConnect(itemNameSpace: ConnectWalletNameSpace): Promise<any>;
    addAccountChangedListener(accountChangeListener: () => void): void;
    removeListener(): void;
}