states

# File actionpack/lib/action_dispatch/journey/gtg/transition_table.rb, line 180
        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