/usr/include/bitcoin/utility/ is in libbitcoin-dev 2.0-2.4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/bitcoin/utility/assert.hpp
/usr/include/bitcoin/utility/async_parallel.hpp
/usr/include/bitcoin/utility/base58.hpp
/usr/include/bitcoin/utility/big_number.hpp
/usr/include/bitcoin/utility/elliptic_curve_key.hpp
/usr/include/bitcoin/utility/logger.hpp
/usr/include/bitcoin/utility/mnemonic.hpp
/usr/include/bitcoin/utility/ripemd.hpp
/usr/include/bitcoin/utility/serializer.hpp
/usr/include/bitcoin/utility/sha256.hpp
/usr/include/bitcoin/utility/subscriber.hpp
/usr/include/bitcoin/utility/timed_section.hpp
/usr/include/bitcoin/utility/weak_bind.hpp