100644 blob 59cac9cc9827a1fb368d0be36b1d03ff7badfec8	feature_visitor.cc
100644 blob 8180839b0668c9fc53e1940a4723368701b4a1e9	feature_visitor.h
100644 blob 10ead718bae2e47987fd908e65924848b8480c8e	touch_extractor.cc
100644 blob 313e4d78d6e1ee37bc563926aab7e6817070c3e4	touch_extractor.h