class Byebug::TracevarCommand

def description

def description
  prettify <<-EOD
    tr[acevar] <variable> [[no]stop]
    Start tracing variable <variable>.
    If "stop" is specified, execution will stop every time the variable
    changes its value. If nothing or "nostop" is specified, execution
    won't stop, changes will just be logged in byebug's output.
  EOD
end