/usr/share/telepathy/clients/KTp.FileTransferHandler.client is in kde-telepathy-filetransfer-handler 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 | [org.freedesktop.Telepathy.Client]
Interfaces=org.freedesktop.Telepathy.Client.Handler
[org.freedesktop.Telepathy.Client.Handler.HandlerChannelFilter 0]
org.freedesktop.Telepathy.Channel.ChannelType s=org.freedesktop.Telepathy.Channel.Type.FileTransfer
org.freedesktop.Telepathy.Channel.TargetHandleType u=1
|