/**
 * Converts the ICE candidate to a JSON string.
 */
export declare const toJSON: (candidate: RTCIceCandidate) => string;
/**
 * Extracts the ICE ufrag from an SDP, or `undefined` when absent.
 */
export declare const parseIceUfrag: (sdp: string | undefined) => string | undefined;
/**
 * Extracts the ICE ufrag (generation) a trickled candidate was gathered under.
 */
export declare const getCandidateUfrag: (ice: RTCIceCandidateInit) => string | undefined;
