import './polyfill';
declare const buildInfo: {
    variant: string;
    buildTool: string;
    moduleFormat: string;
    version: string;
};
export * from './index';
export declare const createDirectLine: (options: any) => import("botframework-directlinejs").DirectLine;
export declare const createDirectLineAppServiceExtension: (options: any) => Promise<any>;
export { buildInfo };
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