boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "lambda_parameter_list")) return false; if (!nextTokenIs(b, T_LPAREN)) return false; boolean r; Marker m = enter_section_(b); r = empty_parens(b, l + 1); if (!r) r = lambda_parameter_list_1(b, l + 1); exit_section_(b, m, PARAMETER_LIST, r); return r; }