/usr/share/kservices5/thumbnail.protocol is in kio-extras-data 4:15.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | [Protocol]
exec=kf5/kio/thumbnail
protocol=thumbnail
input=stream
output=stream
reading=true
source=false
X-DocPath=kioslave5/thumbnail/index.html
Icon=view-preview
|