boolean (PsiBuilder b, int l, Parser _b, Parser _a) { if (!recursion_guard_(b, l, "a_b_a_1")) return false; while (true) { int c = current_position_(b); if (!a_b_a_1_0(b, l + 1, _b, _a)) break; if (!empty_element_parsed_guard_(b, "a_b_a_1", c)) break; } return true; }