public MailboxSearchTask(ITargetMailbox targetMailbox, ServerToServerCallingContextFactory callingContextFactory, string executingUserPrimarySmtpAddress, OrganizationId orgId, bool isDocIdHintFlightingEnabled) : this(targetMailbox, ExportHandlerFactory.CreateExportHandler(new MailboxSearchTask.MailboxSearchTracer(), targetMailbox, new ExchangeServiceClientFactory(callingContextFactory ?? new ServerToServerCallingContextFactory(null))), executingUserPrimarySmtpAddress, orgId, isDocIdHintFlightingEnabled)
 {
 }
 public MailboxSearchTask(ITargetMailbox targetMailbox, ServerToServerCallingContextFactory callingContextFactory, string executingUserPrimarySmtpAddress, OrganizationId orgId) : this(targetMailbox, callingContextFactory, executingUserPrimarySmtpAddress, orgId, false)
 {
 }