/usr/include/luasandbox/ is in libluasandbox-dev 1.2.1-4.
This file is owned by root:root, with mode 0o755.
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/usr/include/luasandbox/error.h
/usr/include/luasandbox/heka/
/usr/include/luasandbox/heka/sandbox.h
/usr/include/luasandbox/heka/stream_reader.h
/usr/include/luasandbox/lauxlib.h
/usr/include/luasandbox/lua.h
/usr/include/luasandbox/luaconf.h
/usr/include/luasandbox/lualib.h
/usr/include/luasandbox/luasandbox-deb-multiarch.h
/usr/include/luasandbox/test/
/usr/include/luasandbox/test/mu_test.h
/usr/include/luasandbox/test/sandbox.h
/usr/include/luasandbox/util/
/usr/include/luasandbox/util/heka_message.h
/usr/include/luasandbox/util/heka_message_matcher.h
/usr/include/luasandbox/util/input_buffer.h
/usr/include/luasandbox/util/output_buffer.h
/usr/include/luasandbox/util/protobuf.h
/usr/include/luasandbox/util/running_stats.h
/usr/include/luasandbox/util/string.h
/usr/include/luasandbox/util/string_matcher.h
/usr/include/luasandbox/util/util.h