import { type ZodType } from 'zod';
export type WebRtcUpdate = {
    kind: 'Sdp';
    type: 'Answer' | 'Offer';
    sdp: string;
    media_map: [number, string][];
    negotiation_id?: number;
} | {
    kind: 'Trickle';
    candidate: string;
    spd_mid?: string;
    spd_mline_index?: number;
    username_fragment?: string | null;
} | {
    kind: 'TrickleFinished';
};
export declare const WebRtcUpdateSchema: ZodType<WebRtcUpdate>;