public static boolean type_parameter(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "type_parameter")) return false;
    if (!nextTokenIs(b, "<type parameter>", IDENTIFIER)) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, TYPE_PARAMETER, "<type parameter>");
    r = consumeToken(b, IDENTIFIER);
    r = r && type_parameter_1(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean type_parameter(PsiBuilder b, int l)