/// <summary> /// Indicates whether the given operation is contained in this snapshot as an operation that was done during the creation of the snapshot. /// </summary> /// <param name="operation">The operation to check.</param> /// <returns><c>True</c> if it was done during at the creation of this snapshot, false otherwise.</returns> /// <seealso cref="IDirtyingOperation.IsDone"/> public bool Contains(IDirtyingOperation operation) => operationsDone.Contains(operation);