/usr/include/ is in libafterimage-dev 2.2.12-6.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libAfterBase/
/usr/include/libAfterBase/xml.h
/usr/include/libAfterBase/ashash.h
/usr/include/libAfterBase/selfdiag.h
/usr/include/libAfterBase/os.h
/usr/include/libAfterBase/asvector.h
/usr/include/libAfterBase/fs.h
/usr/include/libAfterBase/aslist.h
/usr/include/libAfterBase/audit.h
/usr/include/libAfterBase/layout.h
/usr/include/libAfterBase/trace.h
/usr/include/libAfterBase/sleep.h
/usr/include/libAfterBase/xwrap.h
/usr/include/libAfterBase/astypes.h
/usr/include/libAfterBase/socket.h
/usr/include/libAfterBase/safemalloc.h
/usr/include/libAfterBase/output.h
/usr/include/libAfterBase/regexp.h
/usr/include/libAfterBase/timer.h
/usr/include/libAfterBase/parse.h
/usr/include/libAfterBase/afterbase_config.h
/usr/include/libAfterBase/xprop.h
/usr/include/libAfterBase/mystring.h
/usr/include/libAfterImage/
/usr/include/libAfterImage/scanline.h
/usr/include/libAfterImage/xpm.h
/usr/include/libAfterImage/asimagexml.h
/usr/include/libAfterImage/ximage.h
/usr/include/libAfterImage/afterimage.h
/usr/include/libAfterImage/import.h
/usr/include/libAfterImage/ascmap.h
/usr/include/libAfterImage/blender.h
/usr/include/libAfterImage/asim_afterbase.h
/usr/include/libAfterImage/char2uni.h
/usr/include/libAfterImage/export.h
/usr/include/libAfterImage/asfont.h
/usr/include/libAfterImage/asimage.h
/usr/include/libAfterImage/asvisual.h
/usr/include/libAfterImage/draw.h
/usr/include/libAfterImage/xwrap.h
/usr/include/libAfterImage/asstorage.h
/usr/include/libAfterImage/ungif.h
/usr/include/libAfterImage/afterbase.h
/usr/include/libAfterImage/transform.h
/usr/include/libAfterImage/pixmap.h
/usr/include/libAfterImage/bmp.h
/usr/include/libAfterImage/xcf.h
/usr/include/libAfterImage/imencdec.h