@Override
    protected void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater) {
      PsiFile file = element.getContainingFile();
      ((GroovyFile)file).setPackageName(myNewPackageName);
    }
@Override
    protected void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater)