/**
 * Relative timestamp, which can be decoded give a table
 * of clocks. Session index specifies clock indes in the table.
 */
export declare class RelativeTimestamp {
    readonly sessionIndex: number;
    readonly timeDiff: number;
    /**
     *
     * @param sessionIndex Index of the clock in clock table.
     * @param timeDiff Time difference relative to the clock time from the table.
     */
    constructor(sessionIndex: number, timeDiff: number);
}