/usr/share/qt4/qsci/ is in libqscintilla2-doc 2.10.2+dfsg-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/qt4/qsci/api/
/usr/share/qt4/qsci/api/python/
/usr/share/qt4/qsci/api/python/Python-2.4.api
/usr/share/qt4/qsci/api/python/Python-2.5.api
/usr/share/qt4/qsci/api/python/Python-2.6.api
/usr/share/qt4/qsci/api/python/Python-2.7.api
/usr/share/qt4/qsci/api/python/Python-3.1.api
/usr/share/qt4/qsci/api/python/Python-3.2.api
/usr/share/qt4/qsci/api/python/Python-3.3.api
/usr/share/qt4/qsci/api/python/Python-3.4.api
/usr/share/qt4/qsci/api/python/Python-3.5.api
/usr/share/qt4/qsci/api/python/Python-3.6.api
/usr/share/qt4/qsci/api/python/QScintilla2.api