import { SignalingUser, SignalingTrackInfo, RecordConfig, ConstraintNumber, SignalingPublishTrack, MediaTrackInfo, TrackBaseInfo, SignalingCustomMessage, CustomMessage } from "../types";
import { User } from "../models/user";
import { Track } from "../models/stream/track";
export declare function transferSignalingCustomMessageToCustomMessage(msg: SignalingCustomMessage): CustomMessage;
export declare function transferSignalingTrackToTrackBaseInfo(track: SignalingTrackInfo): TrackBaseInfo;
export declare function transferTrackBaseInfoToSignalingTrack(track: TrackBaseInfo, isMaster: boolean): SignalingTrackInfo;
export declare function transferTrackToPublishTrack(track: Track): SignalingPublishTrack;
export declare function transferSignalingTrackInfoToMediaTrackInfo(track: SignalingTrackInfo): MediaTrackInfo;
export declare function transferSignalingUserToUser(sigUser: SignalingUser): User;
export declare function createCustomTrack(mediaTrack: MediaStreamTrack, tag?: string, kbps?: number): Track;
export declare function transferRecordOptionToMediaConstraints(options?: RecordConfig): Promise<MediaStreamConstraints>;
export declare function getNumberRangeMax(range?: ConstraintNumber): number | undefined;