<Action Name="Unused Invisible Variables" Uid="cf05f3aa-ce49-4a70-ad18-8916cbeaf338" LogicUid="1d068d6d-4486-4e74-9de9-9b9bf9334799"/>
Objects to be checked: All unnamed expressions.
Customizable parameters: None.
Check criteria: Check yields error, if an unnamed expression doesn't have any children.
Auto-Fix: Unused elements detected by the check are being deleted.
Note: Functionality of this action is also included into the Unused Objects action.