/usr/ is in libsqlheavy-dev 0.1.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libsqlheavy-dev/
/usr/share/doc/libsqlheavy-dev/copyright
/usr/share/vala/
/usr/share/vala/vapi/
/usr/share/vala/vapi/sqlheavy-0.1.vapi
/usr/share/vala/vapi/sqlheavy-0.1.deps
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libsqlheavy0.1.a
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/sqlheavy-0.1.pc
/usr/include/
/usr/include/sqlheavy/
/usr/include/sqlheavy/sqlheavy-0.1/
/usr/include/sqlheavy/sqlheavy-0.1/SQLHeavy.h
/usr/share/doc/libsqlheavy-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libsqlheavy0.1.so