100644 blob 8b4bdbd88e4553b15360d466812f0d98ce498f1f	externalize-string-extension.cc
100644 blob b97b4962cf0b20f4fba15f0175a52201dc233438	externalize-string-extension.h
100644 blob b8f081c54dd91fbbcd2e7cbde76847ee1f9e60b9	gc-extension.cc
100644 blob 06ea4ed21a63d40db4f1aebfd5acd165e675affe	gc-extension.h