boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "map_argument_label")) return false; if (!nextTokenIsFast(b, T_COLON)) return false; boolean r; Marker m = enter_section_(b, l, _LEFT_ | _AND_, ARGUMENT_LABEL, null); r = consumeTokenFast(b, T_COLON); exit_section_(b, l, m, r, false, null); return r; }