@CompileStatic class UsedVariableTracker extends Object
| Type | Name and description | 
|---|---|
Set<String>  | 
                            usedVariableNames | 
                        
| Type Params | Return Type | Name and description | 
|---|---|---|
 | 
                            void | 
                            variableReplaced(VariableExpression oldVar, VariableExpression newVar) |