def _add_help_noop_and_quit_transitions(self):
states = set()<EOL>for state_name in self.state.known_states():<EOL><INDENT>if state_name not in ['<STR_LIT>', '<STR_LIT>']:<EOL><INDENT>states.add(state_name)<EOL><DEDENT><DEDENT>for state in states:<EOL><INDENT>self._add_state(state, '<STR_LIT>',  state)<EOL>self._add_state(state, '<STR_LIT>',  state)<EOL>self._add_state(state, '<STR_LIT>',  '<STR_LIT>')<EOL><DEDENT>
HELP, NOOP and QUIT should be possible from everywhere so we
        need to add these transitions to all states configured so far.