tramp-debug-outline-regexp

tramp-debug-outline-regexp is a variable defined in `tramp.el'.
Its value is

"[0-9]+:[0-9]+:[0-9]+\\.[0-9]+ [a-z0-9-]+ (\\([0-9]+\\)) #"

• This variable may be risky if used as a file-local variable.

Documentation:
Used for highlighting Tramp debug buffers in `outline-mode'.