public static boolean Key(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "Key")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, KEY, "<key>");
    r = KeySegment(b, l + 1);
    r = r && Key_1(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean Key(PsiBuilder b, int l)