import { TrackStatsReport } from "../types";
export declare function releasePC(pc?: RTCPeerConnection): void;
export declare function checkPcConnect(pc?: RTCPeerConnection): boolean;
export declare function createPC(): RTCPeerConnection;
export declare function addTransceiver(track: MediaStreamTrack, pc: RTCPeerConnection): Promise<RTCRtpTransceiver>;
export declare function getPCStats(pc: RTCPeerConnection, track: MediaStreamTrack, pctype: "recv" | "send", lastReportList?: TrackStatsReport[]): Promise<TrackStatsReport[]>;
export declare function getRateStats(reportList: TrackStatsReport[], lastReportList?: TrackStatsReport[]): TrackStatsReport[];