class ActionDispatch::Journey::GTG::TransitionTable

def states
  ss = @string_states.keys + @string_states.values.flat_map(&:values)
  ps = @stdparam_states.keys + @stdparam_states.values.flat_map(&:values)
  rs = @regexp_states.keys + @regexp_states.values.flat_map(&:values)
  (ss + ps + rs).uniq
end