function Get-PSWSUSConfigSyncUpdateClassifications {
       The Get-PSWSUSSyncUpdateClassifications cmdlet gets the list of Windows Server Update Services (WSUS) classifications that will be synchronized.
       ??????? ????????
        Name: Get-PSWSUSConfigSyncUpdateCategories
        Author: Dubinsky Evgeny
        DateCreated: 10MAY2013
        Modified: 05 Feb 2014 -- Boe Prox
            -Modified If statement
            -Removed Begin, Process, End
       This command gets classification that sync with Windows Server Update Services (WSUS).

    [CmdletBinding(DefaultParameterSetName = 'Null')]

    if (-not $wsus)
        Write-Warning "Use Connect-PSWSUSServer to establish connection with your Windows Update Server"