static boolean block_level_end(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "block_level_end")) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = top_level_end(b, l + 1);
    if (!r) r = block_level_end_1(b, l + 1);
    exit_section_(b, m, null, r);
    return r;
  }
static boolean block_level_end(PsiBuilder b, int l)