public static boolean empty_throws_clause(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "empty_throws_clause")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, THROWS_CLAUSE, "<empty throws clause>");
    r = empty(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean empty_throws_clause(PsiBuilder b, int l)