def choice_transition?(name, from_state)
      find(name).select { |trans| trans.matches?(from_state) }.size > 1
    end
def choice_transition?(name, from_state)
      find(name).select { |trans| trans.matches?(from_state) }.size > 1
    end
Check if event has branching choice transitions or not

 @example
   events_map.choice_transition?(:go, :green) # => true

 @param [Symbol] name
   the event name

 @param [Symbol] from_state
   the transition from state

 @return [Boolean]
   true if transition has any branches, false otherwise

 @api public