This file is indexed.

/usr/share/gnome-shell/search-providers/ is in nautilus-data 3.22.3-1+deb9u1.

This file is owned by root:root, with mode 0o755.

File Mime Type Owner Mode Size
..
/usr/share/gnome-shell/search-providers/nautilus-search-provider.ini text/plain root:root 0o644 144 bytes