@Override
            protected void doOKAction() {
              String name = getEnteredName();
              MultiMap<PsiElement, String> conflicts = new MultiMap<>();
              assert name != null;
              GroovyValidationUtil.validateNewParameterName(firstParam, conflicts, name);
              if (isClosure) {
                findClosureConflictUsages(conflicts, occurrences);
              }
              if (reportConflicts(conflicts, project)) {
                performRefactoring(element, owner, occurrences, createNewFirst(), name, specifyTypeExplicitly());
              }
              super.doOKAction();
            }
@Override
            protected void doOKAction()