question: private Queue < MethodWrapper > formConversationQueue ( Queue < MethodWrapper > queue , String methodName ) { MethodWrapper methodWrapper = methodNameMap . get ( methodName ) ; queue . add ( methodWrapper ) ; if ( StringUtils . isEmpty ( methodName ) ) { return queue ; } else { return formConversationQueue ( queue , methodWrapper . getNext ( ) ) ; } }
target:  Form a Queue with all the methods responsible for a particular conversation.