Is there any documentation for AggregationOverTime?

[0xhellord]

AggregationOverTime.cs:

    public enum AggregationOverTime
    {
        //
        // TODO: the documentation of these values needs to have additional detail
        //       added.
        //

        /// <summary>
        ///     Aggregates the current values.
        /// </summary>
        Current,

        /// <summary>
        ///     Aggregates the rate of the values.
        /// </summary>
        Rate,

        /// <summary>
        ///     Performs a cumulative aggregation.
        /// </summary>
        Cumulative,

        /// <summary>
        ///     Performs an outstanding aggregation.
        /// </summary>
        Outstanding,

        /// <summary>
        ///     Performs an aggregation of the peak.
        /// </summary>
        OutstandingPeak,
    }

Is there any documentation for rate, Outstanding, OutstandingPeak? Thx!