import { Trickle } from '../client';
export { Trickle };
export interface Signal {
    onnegotiate?: (jsep: RTCSessionDescriptionInit) => void;
    ontrickle?: (trickle: Trickle) => void;
    join(sid: string, uid: null | string, offer: RTCSessionDescriptionInit): Promise<RTCSessionDescriptionInit>;
    offer(offer: RTCSessionDescriptionInit): Promise<RTCSessionDescriptionInit>;
    answer(answer: RTCSessionDescriptionInit): void;
    trickle(trickle: Trickle): void;
    close(): void;
}