import { Subscription } from 'rxjs/Subscription';
import { Generator } from '../generators/generator';
import { Logger, SdkErrorResponse, SdkMessageHandler, SdkMessagePayload } from './../../api';
export declare const RESPONSE_SUFFIX = "Response";
declare function _unsubscribe(aHandle: string): void;
declare function _registerSubscription(aSubscription: Subscription): string;
declare function _createSdkErrorResponse(aEvent: SdkMessagePayload, aError: any, aLogger: Logger): SdkErrorResponse;
declare function _sendResponse(aResponse: any, aEvent: MessageEvent, aLogger: Logger): void;
/**
 * Constructs an event listener that listens for messages
 *
 * @param aCorsWhitelist  generator that produces a CORS whitelist
 * @param aMsgHandlers  generator that enumerates the set of registered message handlers
 *
 * @return the listener that can be attached to the window object
 */
declare function _createMessageHandler(aCorsWhitelist: Generator<PromiseLike<string[]>>, aMsgHandlers: Generator<SdkMessageHandler[]>, aLogger?: Logger): (aEvent: MessageEvent) => void;
export { _createMessageHandler as createMessageHandler, _sendResponse as msgSendResponse, _createSdkErrorResponse as createSdkErrorResponse, _registerSubscription as msgRegisterSubscription, _unsubscribe as msgUnsubscribe };