import type { PeerConnectionMonitor } from "./PeerConnectionMonitor";
import { ParsedSdp, SdpDirection } from "../utils/sdp";
export type SdpDescriptionInput = {
    type: RTCSdpType | string;
    sdp?: string;
};
export type SdpDescription = {
    type: string;
    sdp: string;
    parsed: ParsedSdp;
    acceptedAt: number;
};
export type SdpNegotiatedMediaSection = {
    mid?: string;
    kind: string;
    localDirection: SdpDirection;
    remoteDirection: SdpDirection;
    sending: boolean;
    receiving: boolean;
    rejected: boolean;
    codecs: string[];
    primaryCodec?: string;
    sendDtx: boolean;
    receiveDtx: boolean;
    sendInbandFec: boolean;
    receiveInbandFec: boolean;
    red: boolean;
    transportCc: boolean;
    sendSimulcastLayers: number;
};
export declare class SdpMonitor {
    private readonly _peerConnection;
    localDescription?: SdpDescription;
    remoteDescription?: SdpDescription;
    localDescriptionsCount: number;
    remoteDescriptionsCount: number;
    negotiatedMediaSections: SdpNegotiatedMediaSection[];
    constructor(_peerConnection: PeerConnectionMonitor);
    acceptLocalDescription(description: SdpDescriptionInput): SdpDescription | undefined;
    acceptRemoteDescription(description: SdpDescriptionInput): SdpDescription | undefined;
    get negotiationRole(): 'offerer' | 'answerer' | undefined;
    private _accept;
    private _report;
    private _update;
    private _negotiate;
    private _dtlsRole;
    private _bundled;
    private _publishSummary;
}