* Change isReferenced to return false for object/class method parameter names. * use indexOf instead of for-of loop * replace `.indexOf` check with `.includes` and assume `parent.params` exists Co-Authored-By: Justin Ridgewell <justin@ridgewell.name> * check .params within case block for ClassMethod/ClassPrivateMethod/ObjectMethod only * add comment clarifying that case clause fall-through is intentional Co-authored-by: Justin Ridgewell <justin@ridgewell.name>