@Override
    protected void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater) {
      if (!(element instanceof PsiJavaFile file)) {
        return;
      }
      file.setPackageName(myPackageName);
    }
@Override
    protected void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater)