export declare function postMessage(msg: string): void;
export declare function addEventListener(msg: string, handler: any): void;
export declare function removeEventListener(msg: string, handler: any): void;
export declare function doBuffer(data: ArrayBuffer, name: string, isModule: boolean): any;
export declare function sendMessageToWindow(windowId: number, msg: string): string | false;
export declare function isSendMessageToWindowAvailable(): boolean;