/usr/ is in libcairo2-dev 1.10.2-6.1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/cairo/
/usr/include/cairo/cairo-deprecated.h
/usr/include/cairo/cairo-features.h
/usr/include/cairo/cairo-ft.h
/usr/include/cairo/cairo-gobject.h
/usr/include/cairo/cairo-pdf.h
/usr/include/cairo/cairo-ps.h
/usr/include/cairo/cairo-script-interpreter.h
/usr/include/cairo/cairo-svg.h
/usr/include/cairo/cairo-version.h
/usr/include/cairo/cairo-xcb.h
/usr/include/cairo/cairo-xlib-xrender.h
/usr/include/cairo/cairo-xlib.h
/usr/include/cairo/cairo.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libcairo-gobject.a
/usr/lib/x86_64-linux-gnu/libcairo-script-interpreter.a
/usr/lib/x86_64-linux-gnu/libcairo.a
/usr/lib/x86_64-linux-gnu/libcairo-gobject.la
/usr/lib/x86_64-linux-gnu/libcairo-script-interpreter.la
/usr/lib/x86_64-linux-gnu/libcairo.la
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-fc.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-ft.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-gobject.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-pdf.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-png.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-ps.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-svg.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-xcb-shm.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-xcb.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-xlib-xrender.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo-xlib.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cairo.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libcairo2-dev/
/usr/share/doc/libcairo2-dev/copyright
/usr/lib/x86_64-linux-gnu/libcairo-gobject.so
/usr/lib/x86_64-linux-gnu/libcairo-script-interpreter.so
/usr/lib/x86_64-linux-gnu/libcairo.so
/usr/share/doc/libcairo2-dev/NEWS.gz
/usr/share/doc/libcairo2-dev/changelog.Debian.gz
/usr/share/doc/libcairo2-dev/README.gz
/usr/share/doc/libcairo2-dev/AUTHORS.gz