/usr/ is in libatspi2.0-dev 2.18.3-4ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libatspi2.0-dev/
/usr/include/at-spi-2.0/atspi/atspi-editabletext.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/atspi-2.pc
/usr/include/
/usr/include/at-spi-2.0/
/usr/include/at-spi-2.0/atspi/
/usr/include/at-spi-2.0/atspi/atspi-registry.h
/usr/include/at-spi-2.0/atspi/atspi-hyperlink.h
/usr/include/at-spi-2.0/atspi/atspi-accessible.h
/usr/include/at-spi-2.0/atspi/atspi-value.h
/usr/include/at-spi-2.0/atspi/atspi-text.h
/usr/include/at-spi-2.0/atspi/atspi-device-listener-private.h
/usr/include/at-spi-2.0/atspi/atspi-table.h
/usr/include/at-spi-2.0/atspi/atspi-constants.h
/usr/include/at-spi-2.0/atspi/atspi-table-cell.h
/usr/include/at-spi-2.0/atspi/atspi-device-listener.h
/usr/include/at-spi-2.0/atspi/atspi-stateset.h
/usr/include/at-spi-2.0/atspi/atspi-matchrule.h
/usr/include/at-spi-2.0/atspi/atspi-event-listener.h
/usr/include/at-spi-2.0/atspi/atspi-gmain.h
/usr/include/at-spi-2.0/atspi/atspi-application.h
/usr/include/at-spi-2.0/atspi/atspi-private.h
/usr/include/at-spi-2.0/atspi/atspi.h
/usr/include/at-spi-2.0/atspi/atspi-object.h
/usr/include/at-spi-2.0/atspi/atspi-relation.h
/usr/include/at-spi-2.0/atspi/atspi-selection.h
/usr/include/at-spi-2.0/atspi/atspi-types.h
/usr/include/at-spi-2.0/atspi/atspi-document.h
/usr/include/at-spi-2.0/atspi/atspi-collection.h
/usr/include/at-spi-2.0/atspi/atspi-action.h
/usr/include/at-spi-2.0/atspi/atspi-misc.h
/usr/include/at-spi-2.0/atspi/atspi-enum-types.h
/usr/include/at-spi-2.0/atspi/atspi-event-listener-private.h
/usr/include/at-spi-2.0/atspi/atspi-component.h
/usr/include/at-spi-2.0/atspi/atspi-gmain.c
/usr/include/at-spi-2.0/atspi/atspi-hypertext.h
/usr/include/at-spi-2.0/atspi/atspi-image.h
/usr/share/
/usr/share/gir-1.0/
/usr/share/gir-1.0/Atspi-2.0.gir
/usr/share/doc/
/usr/share/doc/libatspi2.0-dev/copyright
/usr/lib/x86_64-linux-gnu/libatspi.so
/usr/share/doc/libatspi2.0-dev/changelog.Debian.gz