/usr/include/okteta1/ is in okteta-dev 4:4.8.4+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/okteta1/abstractbytearraycolumnrenderer.h
/usr/include/okteta1/abstractbytearraymodel.h
/usr/include/okteta1/abstractbytearrayview.h
/usr/include/okteta1/abstractcolumnrenderer.h
/usr/include/okteta1/abstractcolumnstylist.h
/usr/include/okteta1/address.h
/usr/include/okteta1/addressrange.h
/usr/include/okteta1/arraychangemetrics.h
/usr/include/okteta1/bookmark.h
/usr/include/okteta1/bookmarkable.h
/usr/include/okteta1/bookmarksconstiterator.h
/usr/include/okteta1/bookmarksconstiteratoradapter.h
/usr/include/okteta1/bordercolumnrenderer.h
/usr/include/okteta1/byte.h
/usr/include/okteta1/bytearraychange.h
/usr/include/okteta1/bytearraycolumnview.h
/usr/include/okteta1/bytearraymodel.h
/usr/include/okteta1/bytearrayrowcolumnrenderer.h
/usr/include/okteta1/bytearrayrowview.h
/usr/include/okteta1/bytearraytablelayout.h
/usr/include/okteta1/bytearraytableranges.h
/usr/include/okteta1/changehistory.h
/usr/include/okteta1/changesdescribable.h
/usr/include/okteta1/character.h
/usr/include/okteta1/charbytearraycolumnrenderer.h
/usr/include/okteta1/charcodec.h
/usr/include/okteta1/columnsview.h
/usr/include/okteta1/kadds.h
/usr/include/okteta1/line.h
/usr/include/okteta1/lineposition.h
/usr/include/okteta1/linepositionrange.h
/usr/include/okteta1/linerange.h
/usr/include/okteta1/numberrange.h
/usr/include/okteta1/offsetcolumnrenderer.h
/usr/include/okteta1/offsetformat.h
/usr/include/okteta1/oktetacore.h
/usr/include/okteta1/oktetacore_export.h
/usr/include/okteta1/oktetagui.h
/usr/include/okteta1/oktetagui_export.h
/usr/include/okteta1/piecetablebytearraymodel.h
/usr/include/okteta1/range.h
/usr/include/okteta1/size.h
/usr/include/okteta1/valuebytearraycolumnrenderer.h
/usr/include/okteta1/valuecodec.h
/usr/include/okteta1/versionable.h
/usr/include/okteta1/widgetcolumnstylist.h
/usr/include/okteta1/wordbytearrayservice.h