/usr/ is in libfuse-dev 2.9.4-1ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/fuse.pc
/usr/lib/x86_64-linux-gnu/libulockmgr.a
/usr/lib/x86_64-linux-gnu/libfuse.a
/usr/include/
/usr/include/ulockmgr.h
/usr/include/fuse/
/usr/include/fuse/fuse_lowlevel_compat.h
/usr/include/fuse/fuse_compat.h
/usr/include/fuse/fuse_opt.h
/usr/include/fuse/fuse_common.h
/usr/include/fuse/fuse_lowlevel.h
/usr/include/fuse/fuse_common_compat.h
/usr/include/fuse/fuse.h
/usr/include/fuse/cuse_lowlevel.h
/usr/include/fuse.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libfuse-dev/
/usr/share/doc/libfuse-dev/examples/
/usr/share/doc/libfuse-dev/examples/fusexmp_fh.c
/usr/share/doc/libfuse-dev/examples/fselclient.c
/usr/share/doc/libfuse-dev/examples/Makefile
/usr/share/doc/libfuse-dev/examples/null.c
/usr/share/doc/libfuse-dev/examples/fioc.c
/usr/share/doc/libfuse-dev/examples/hello_ll.c
/usr/share/doc/libfuse-dev/examples/fusexmp.c
/usr/share/doc/libfuse-dev/examples/cusexmp.c
/usr/share/doc/libfuse-dev/examples/hello.c
/usr/share/doc/libfuse-dev/examples/fsel.c
/usr/share/doc/libfuse-dev/examples/fioc.h
/usr/share/doc/libfuse-dev/examples/fioclient.c
/usr/share/doc/libfuse-dev/copyright
/usr/lib/x86_64-linux-gnu/libfuse.so
/usr/lib/x86_64-linux-gnu/libulockmgr.so
/usr/share/doc/libfuse-dev/changelog.Debian.gz