public DialogueImporter importDialogue(String dialogueFile){
  List<DialogueState> turns=XMLDialogueReader.extractDialogue(dialogueFile);
  DialogueImporter importer=new DialogueImporter(this,turns);
  importer.start();
  return importer;
}

public DialogueImporter importDialogue ( String dialogueFile ) { List < DialogueState > turns = XMLDialogueReader . extractDialogue ( dialogueFile ) ; DialogueImporter importer = new DialogueImporter ( this , turns ) ; importer . start ( ) ; return importer ; }
imports the dialogue specified in the provided file .
