[UnconditionalSuppressMessage("Trimming", "IL2026", Justification = "The members of C1DataCollectionList<> class were explicitly annotated so this method can use them safely.")]
protected bool SourceIsDataCollectionList { get; }

<UnconditionalSuppressMessage("Trimming", "IL2026", Justification:="The members of C1DataCollectionList<> class were explicitly annotated so this method can use them safely.")>
Protected ReadOnly Property SourceIsDataCollectionList As Boolean