| AddDelegates(Mailbox, Nullable<MeetingRequestsDeliveryScope>, DelegateUser[]) | Adds delegates to a specific mailbox. Calling this method results in a call to EWS. |
| AddDelegates(Mailbox, Nullable<MeetingRequestsDeliveryScope>, IEnumerable<DelegateUser>, CancellationToken) | Adds delegates to a specific mailbox. Calling this method results in a call to EWS. |