/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/ is in libcssparser-java-doc 0.9.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/DocumentHandlerExt.html
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/TestCSSParseException.html
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/class-use/
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/class-use/DocumentHandlerExt.html
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/class-use/TestCSSParseException.html
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/package-frame.html
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/package-summary.html
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/package-tree.html
/usr/share/doc/libcssparser-java/api/com/steadystate/css/sac/package-use.html