/usr/share/gtk-doc/ is in libmbim-glib-doc 1.6.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/
/usr/share/gtk-doc/html/libmbim-glib/
/usr/share/gtk-doc/html/libmbim-glib/MbimDevice.html
/usr/share/gtk-doc/html/libmbim-glib/MbimMessage.html
/usr/share/gtk-doc/html/libmbim-glib/annotation-glossary.html
/usr/share/gtk-doc/html/libmbim-glib/api-index-full.html
/usr/share/gtk-doc/html/libmbim-glib/ch01.html
/usr/share/gtk-doc/html/libmbim-glib/ch02.html
/usr/share/gtk-doc/html/libmbim-glib/deprecated-api-index.html
/usr/share/gtk-doc/html/libmbim-glib/home.png
/usr/share/gtk-doc/html/libmbim-glib/index.html
/usr/share/gtk-doc/html/libmbim-glib/index.sgml
/usr/share/gtk-doc/html/libmbim-glib/left.png
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-Auth.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-Basic-Connect.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-Command-IDs.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-Common-utilities.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-DSS.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-Enumerations-and-Flags.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-Errors.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-Phonebook.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-SMS.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-STK.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-USSD.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-UUIDs.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib-Version-checks.html
/usr/share/gtk-doc/html/libmbim-glib/libmbim-glib.devhelp2
/usr/share/gtk-doc/html/libmbim-glib/object-tree.html
/usr/share/gtk-doc/html/libmbim-glib/right.png
/usr/share/gtk-doc/html/libmbim-glib/style.css
/usr/share/gtk-doc/html/libmbim-glib/up.png