public static boolean closure_parameter_list(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "closure_parameter_list")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _COLLAPSE_, PARAMETER_LIST, "<closure parameter list>");
    r = comma_list(b, l + 1, GroovyGeneratedParser::closure_parameter_list_0_0);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean closure_parameter_list(PsiBuilder b, int l)