boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "class_level_2")) return false; boolean r; Marker m = enter_section_(b); r = tuple_var_declaration(b, l + 1); r = r && error(b, l + 1, "tuple.cant.be.placed.in.class"); exit_section_(b, m, null, r); return r; }