100644 blob 54fc2522db663c8bd7bafe7f5e24a97e75bbb112	feature_visitor.cc
100644 blob 8180839b0668c9fc53e1940a4723368701b4a1e9	feature_visitor.h
100644 blob 91e2ee135b16e10a78500e87d43236a771436c27	touch_extractor.cc
100644 blob 313e4d78d6e1ee37bc563926aab7e6817070c3e4	touch_extractor.h