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System.Management.Automation.AliasInfo (class)

A System.Management.Automation.AliasInfo object provides information about an alias.
AliasInfo derives from System.Management.Automation.CommandInfo.
In Windows/PowerShell, an instance of a System.Management.Automation.AliasInfo class can be obtained with get-item alias:aliasName: 
PS C:\> $info = get-item alias:cd
PS C:\> $info.GetType().FullName
System.Management.Automation.AliasInfo

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