public static boolean cleaner(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "cleaner")) return false;
    if (!nextTokenIs(b, CLEAR)) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = consumeTokens(b, 0, CLEAR, KEY);
    exit_section_(b, m, CLEANER, r);
    return r;
  }
public static boolean cleaner(PsiBuilder b, int l)