/// <summary>
/// Creates a source block that produces multiple transformed values for each value from original source block,
/// skipping intermediate input and output states, and hence is not suitable for producing or consuming
/// deltas.
/// </summary>
/// <typeparam name="TInput">
/// The type of the input value produced by <paramref name="source"/>.
/// </typeparam>
/// <typeparam name="TOut">
/// The type of value produced by <paramref name="transform"/>.
/// </typeparam>
/// <param name="source">
/// The source block whose values are to be transformed.
/// </param>
/// <param name="transform">
/// The function to execute on each value from <paramref name="source"/>.
/// </param>
/// <returns>
/// The transformed source block and a disposable value that terminates the link.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="source"/> is <see langword="null"/>.
/// <para>
/// -or-
/// </para>
/// <paramref name="transform"/> is <see langword="null"/>.
/// </exception>
public static DisposableValue <ISourceBlock <TOut> > TransformManyWithNoDelta <TInput, TOut>(
this ISourceBlock <IProjectVersionedValue <TInput> > source,
Func <IProjectVersionedValue <TInput>, Task <IEnumerable <TOut> > > transform)
{
Requires.NotNull(source, nameof(source));
Requires.NotNull(transform, nameof(transform));
IPropagatorBlock <IProjectVersionedValue <TInput>, TOut> transformBlock = DataflowBlockSlim.CreateTransformManyBlock(transform, skipIntermediateInputData: true, skipIntermediateOutputData: true);
IDisposable link = source.LinkTo(transformBlock, DataflowOption.PropagateCompletion);
return(new DisposableValue <ISourceBlock <TOut> >(transformBlock, link));
}