public static boolean left_shift_sign(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "left_shift_sign")) return false;
    if (!nextTokenIsFast(b, T_LT)) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = consumeTokens(b, 0, T_LT, T_LT);
    exit_section_(b, m, LEFT_SHIFT_SIGN, r);
    return r;
  }
public static boolean left_shift_sign(PsiBuilder b, int l)