100644 blob 45ab0f0d4562929cf163f8c585bd2448fe35973c	BUILD.gn
040000 tree b167a71cf207f887109fd2bb08128393070d8d79	impl
100644 blob 2f1d862bd116218cdbe050533f1da0be5168969f	threads.h
100644 blob b9f779c83d3fbf233869f2bcc957d56059ed39fe	time.h