/// <summary>
/// Measures time from receiving the first element and completion events - one for each subscriber of this <see cref="IFlow{TOut,TMat}"/>.
/// </summary>
/// <typeparam name="TIn">TBD</typeparam>
/// <typeparam name="TOut">TBD</typeparam>
/// <typeparam name="TOut2">TBD</typeparam>
/// <typeparam name="TMat">TBD</typeparam>
/// <typeparam name="TMat2">TBD</typeparam>
/// <param name="flow">TBD</param>
/// <param name="measuredOps">TBD</param>
/// <param name="onComplete">TBD</param>
/// <returns>TBD</returns>
public static Flow <TIn, TOut2, TMat2> Timed <TIn, TOut, TOut2, TMat, TMat2>(this Flow <TIn, TOut, TMat> flow,
Func <Flow <TIn, TOut, TMat>, Flow <TIn, TOut2, TMat2> > measuredOps, Action <TimeSpan> onComplete)
=> TimedOps.Timed(flow, measuredOps, onComplete);
/// <summary>
/// Measures time from receiving the first element and completion events - one for each subscriber of this <see cref="IFlow{TOut,TMat}"/>.
/// </summary>
/// <typeparam name="TIn">TBD</typeparam>
/// <typeparam name="TOut">TBD</typeparam>
/// <typeparam name="TMat">TBD</typeparam>
/// <typeparam name="TMat2">TBD</typeparam>
/// <param name="source">TBD</param>
/// <param name="measuredOps">TBD</param>
/// <param name="onComplete">TBD</param>
/// <returns>TBD</returns>
public static Source <TOut, TMat2> Timed <TIn, TOut, TMat, TMat2>(this Source <TIn, TMat> source,
Func <Source <TIn, TMat>, Source <TOut, TMat2> > measuredOps, Action <TimeSpan> onComplete)
=> TimedOps.Timed(source, measuredOps, onComplete);
