<Action Name="Invisible Variables" Uid="b676cb98-cf4b-48db-9ba1-1c902e7f5573" LogicUid="a702103b-60b6-4e5d-b116-3ccbd6ea14b3"/>
Objects to be checked: All variables.
Customizable parameters: None.
Check criteria: Check yields error, if a variable is hidden.
Auto-Fix: The Hidden attribute gets disabled for variables.