The TermResponse event:
Fires:
radio_button_unchecked
When Neovim receives an OSC or DCS response from the terminal.
Notes:
radio_button_unchecked
When used from Lua, the response string is included in the "data" field of the auto-command callback.
radio_button_unchecked
May fire part way through another event (file I/O, a shell command, or anything else that takes time).