code: private void init() {
  
  		handlers.put(FlowType.Action,   	new ActionHandler());
  		handlers.put(FlowType.Decision, 	new DecisionHandler());
  		handlers.put(FlowType.Return,   	new ReturnHandler());
  		handlers.put(FlowType.ForEach,  	new ForEachHandler());
  		handlers.put(FlowType.Store, 		new StoreHandler());
  		handlers.put(FlowType.Aggregation,  new AggregationHandler());
  		handlers.put(FlowType.Exception, 	new ExceptionHandler());
  		handlers.put(FlowType.Filter,		new FilterHandler());
  		handlers.put(FlowType.Fork,			new ForkHandler());
  	}
docs: ----- private methods -----