/// <summary>
/// Measures rolling interval between immediately subsequent "matching(o: O)" elements.
/// </summary>
/// <typeparam name="TIn">TBD</typeparam>
/// <typeparam name="TOut">TBD</typeparam>
/// <typeparam name="TMat">TBD</typeparam>
/// <param name="flow">TBD</param>
/// <param name="matching">TBD</param>
/// <param name="onInterval">TBD</param>
/// <returns>TBD</returns>
public static Flow <TIn, TOut, TMat> TimedIntervalBetween <TIn, TOut, TMat>(this Flow <TIn, TOut, TMat> flow,
Func <TOut, bool> matching, Action <TimeSpan> onInterval)
=> (Flow <TIn, TOut, TMat>)TimedIntervalBetweenOps.TimedIntervalBetween(flow, matching, onInterval);
/// <summary>
/// Measures rolling interval between immediately subsequent "matching(o: O)" elements.
/// </summary>
/// <typeparam name="TIn">TBD</typeparam>
/// <typeparam name="TMat">TBD</typeparam>
/// <param name="source">TBD</param>
/// <param name="matching">TBD</param>
/// <param name="onInterval">TBD</param>
/// <returns>TBD</returns>
public static Source <TIn, TMat> TimedIntervalBetween <TIn, TMat>(this Source <TIn, TMat> source,
Func <TIn, bool> matching, Action <TimeSpan> onInterval)
=> (Source <TIn, TMat>)TimedIntervalBetweenOps.TimedIntervalBetween(source, matching, onInterval);
