import { RoomEvent } from '../types';
/**
 * Compares two room events by their origin server timestamp.
 *
 * @param a - A room event
 * @param b - A room event
 * @returns Either zero if the timestamp is equal, \>0 if a is newer, or \<0 if
 *          b is newer.
 */
export declare function compareOriginServerTS<T>(a: RoomEvent<T>, b: RoomEvent<T>): number;