| DeleteItems(IEnumerableItemId, DeleteMode, NullableSendCancellationsMode, NullableAffectedTaskOccurrence) | Deletes multiple items in a single call to EWS. |
| DeleteItems(IEnumerableItemId, DeleteMode, NullableSendCancellationsMode, NullableAffectedTaskOccurrence, Boolean, CancellationToken) | Deletes multiple items in a single call to EWS. |