| UpdateDelegates(Mailbox, NullableMeetingRequestsDeliveryScope, IEnumerableDelegateUser, CancellationToken) | Updates delegates on a specific mailbox. Calling this method results in a call to EWS. |
| UpdateDelegates(Mailbox, NullableMeetingRequestsDeliveryScope, CancellationToken, DelegateUser) | Updates delegates on a specific mailbox. Calling this method results in a call to EWS. |