94b941a9_Statistics__Exchange_2013_Help__Description
[Parameter] DiagnosticArgument [Required] Optional [Type] System.String [Description] 
The DiagnosticArgument parameter modifies the results that are returned by using the Diagnostic switch. Typically, you use the Diagnostic switch and the DiagnosticArgument parameter only at the request of Microsoft Customer Service and Support to troubleshoot problems.
Get-PublicFolderMoveRequestStatistics: Exchange 2013 Help