import { ConnectionOptions } from './interfaces';
export declare const getUserMedia: (constraints: MediaStreamConstraints) => Promise<MediaStream> | undefined;
export declare const getMediaConstraints: (options: ConnectionOptions) => Promise<MediaStreamConstraints>;
interface FilterIceServersOptions {
    disableUdpIceServers?: boolean;
}
export declare const filterIceServers: (servers: RTCIceServer[], options: FilterIceServersOptions) => {
    urls: string | string[];
    credential?: string;
    username?: string;
}[];
export {};
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