/// <reference types="@yandex-int/messenger.utils/@types" />
import { ChannelTransport } from '@yandex-int/messenger.channels';
import { GetChildWindowTransportParams } from '../types';
export declare function iframeChildWindowProvider({ urlProvider, allow }: GetChildWindowTransportParams, factory: (url: string, allow: Maybe<string[]>) => Nullable<Window>, callback: (transport: ChannelTransport) => void): void;