@Nullable
  private static PsiElement getStartContentElement(@NotNull PsiJavaModule module) {
    PsiElement child = module.getFirstChild();
    while (child != null && child.getNode().getElementType() != LBRACE) {
      child = child.getNextSibling();
    }
    return child;
  }
@Nullable
  private static PsiElement getStartContentElement(@NotNull PsiJavaModule module)