private PsiElement replace(@NonNls String newElementName, @NonNls String fqn, @NonNls String packageName) {
            String newValue = fqn.substring(packageName.length()) + "." + newElementName;
            return ElementManipulators.handleContentChange(getElement(), newValue);
          }
private PsiElement replace(@NonNls String newElementName, @NonNls String fqn, @NonNls String packageName)