import { IframeWindow } from '.';
import { BaseRequest } from '../../api';
import { system } from '../../api/system';
export declare class System implements system.Api {
    private iframe;
    private _systemInfo;
    constructor(iframe: IframeWindow);
    openTwitter(request: BaseRequest): void;
    close(): void;
    hide(): void;
    wait(request?: system.MessageRequest): void;
    resume(): void;
    cancelClose(): void;
    alert(request: system.MessageRequest): void;
    error(request: system.MessageRequest): void;
    openDialog(request: system.DialogRequest): Promise<boolean>;
    openDialogV2(request: system.DialogRequest): Promise<system.DialogButtonType>;
    openUrl(config: system.BrowserConfig): void;
    openUrlV2(config: system.BrowserConfigV2): void;
    getSystemInfo(): Promise<system.SystemInfo>;
    getFeatureList(forceRefresh?: boolean): Promise<system.FeatureList>;
    setWindowTitle(request: system.SetWindowTitleRequest): void;
    onBeforeClose(handler: () => Promise<boolean>): void;
    send(request: any, hasResponse?: boolean): Promise<any>;
    finishLoading(): void;
    enableCloseConfirmation(request: system.enableCloseConfirmationRequest): void;
}