https://learn.microsoft.com/en-us/dotnet/api/system.management.automation.pscredential.empty?view=powershellsdk-7.4.0
PSCredential.Empty Property (System.Management.Automation) | Microsoft Learn
Gets an empty PSCredential. This is an PSCredential with both UserName and Password initialized to null.
empty propertysystem managementautomationmicrosoftlearn