100644 blob b1124c6d7eccedf39a949daf3934661b2d022db7	huffman_builder.cc
100644 blob b185e8b287ca477740f6ace059964acdfe6471c9	huffman_builder.h
100644 blob c68a85a8ddc8fb602fa33b7d9c17ffc2680a9541	huffman_builder_unittest.cc