KeepPart           57 third_party/re2/re2/prefilter_tree.cc         if (KeepPart((*subs)[i], level + 1))
KeepPart           68 third_party/re2/re2/prefilter_tree.cc         if (!KeepPart((*prefilter->subs())[i], level + 1))
KeepPart           79 third_party/re2/re2/prefilter_tree.cc   if (f != NULL && !KeepPart(f, 0)) {