export interface DisplayObj {
    participantId: string;
    telephonyEngineParticipant?: boolean;
    stream?: {
        id: string;
        key: string;
        isAudioEnabled: boolean;
        isVideoEnabled: boolean;
    };
    external?: string;
    canReceiveMessages?: boolean;
}
export declare const transformDisplayToObj: (value: string) => DisplayObj;
export declare const transformDisplayToSend: (value: DisplayObj) => string;