/// <summary>
/// Invoke this helper method when <see cref="Func{TResult}"/> like callbacks are
/// required.
/// </summary>
/// <typeparam name="TTarget"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <param name="getTarget"></param>
/// <param name="factoryCallback"></param>
/// <returns></returns>
private static TResult CollectionFunc <TTarget, TResult>(CollectionGetTargetCallback <TTarget> getTarget
, CollectionFuncCallback <TTarget, TResult> factoryCallback)
=> factoryCallback(getTarget());
/// <summary>
/// Invoke this helper method when <see cref="Action"/> like callbacks are required.
/// </summary>
/// <typeparam name="TTarget"></typeparam>
/// <param name="getTarget"></param>
/// <param name="targetCallback"></param>
private static void CollectionAction <TTarget>(CollectionGetTargetCallback <TTarget> getTarget
, CollectionActionCallback <TTarget> targetCallback)
=> targetCallback(getTarget());
