@startuml
title "UCM verb sequence graph"


start
split
  :Enable verb;
  :SectionDefaults sequence;
  :EnableSequence;

  :Enable, use and disable verb devices;

  :Disable verb;
  :DisableSequence;
split again
  :Switch verb;
  :Disable old verb;
  if (TransitionSequence) then (present)
    :TransitionSequence;
    :Enable new verb;
  else (not present)
    :Disable old verb;
    :DisableSequence;
    :Enable new verb;
    :EnableSequence;
  endif
end split
stop

@enduml