class_docstr: Representation of a finite state machine the manages the states and the transitions of the automaton.
  
  Attributes:
      states (dictionary) -- Collection of all registered `State` objects.
      name (str) -- Name of the state machine.
code: def __repr__(self):
      return "%s" % (self.name)
  
label_desc: Use image node_id 3 for calling the StateMachine obj's underlying member method code with example usage: obj.__repr__() and returns: unknown