Get-MailboxStatistics ItemCount是否包含已删除的项目？

Question

我有这个命令：

Get-MailboxStatistics -Database $Store | Select-Object ItemCount

$Store是来自Get-MailboxDatabase的迭代器。 我想知道ItemCount是否包含已删除的项目。我无法找到有关它的任何有用信息。以下是我目前检查过的一些资料来源：

https://msdn.microsoft.com/en-us/library/office/microsoft.exchange.data.mapi.mailboxstatistics.itemcount%28v=exchg.150%29.aspx

https://technet.microsoft.com/en-us/library/bb124612%28v=exchg.160%29.aspx?f=255&MSPPError=-2147217396

http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/Q_28141849.html

http://www.msexchange.org/kbase/ExchangeServerTips/ExchangeServer2010/ManagementAdministration/MailboxItemCount.html