export interface PreviewProxyHandler {
    onFetchProgress?: (e: any) => void;
    onError?: (err: any) => void;
    onUnhandledRejection?: (err: any) => void;
    onConsole?: (e: any) => void;
    onConsoleGroup?: (e: any) => void;
    onConsoleGroupCollapsed?: (e: any) => void;
    onConsoleGroupEnd?: (e: any) => void;
}
export declare type PreviewProxyAction = 'cmd_error' | 'cmd_ok' | 'fetch_progress' | 'error' | 'unhandledrejection' | 'console' | 'console_group' | 'console_group_collapsed' | 'console_group_end';
export declare type IframeAction = 'eval' | 'catch_clicks';
export declare type PreviewProxyMessageData = {
    action: PreviewProxyAction;
    cmd_id: number;
    args: {
        remaining?: any;
    };
    message?: Error['message'];
    stack?: Error['stack'];
};
export declare type PreviewProxyMessageEvent = MessageEvent<PreviewProxyMessageData>;
interface PreviewProxyOptions {
    iframe: HTMLIFrameElement;
    handler?: PreviewProxyHandler;
}
export declare class PreviewProxy {
    static uid: number;
    iframe: HTMLIFrameElement;
    handlers?: PreviewProxyHandler;
    pendingActions: Map<number, {
        resolve: (value: unknown) => void;
        reject: (reason?: any) => void;
    }>;
    removeMessageListen?: () => void;
    constructor(options: PreviewProxyOptions);
    destroy(): void;
    dispatchIframeAction(action: IframeAction, args: any): Promise<unknown>;
    handleActionMessage(data: PreviewProxyMessageData): void;
    handleReplMessage(event: PreviewProxyMessageEvent): void;
    eval(script: string | string[]): Promise<unknown>;
    catchClicks(): Promise<unknown>;
}
export {};