import { ParticipantStreamDescription } from '../types/ParticipantStreamDescription';
import SignalingMessage from '../types/SignalingMessage';
export declare class ParticipantIdRegistry {
    private streamDescriptionByCompactId;
    private compactIdByStreamDescription;
    getStreamDescription(compactedId: number): ParticipantStreamDescription | undefined;
    getCompactId(streamDescription: string): number | undefined;
    handleMessage(data: ArrayBuffer): SignalingMessage | null;
    private _decodeMediaType;
    private _createParticipantSourcesUpdateNotification;
}