public Signal2<String, QDateTime> subjectDateChanged = new Signal2<String, QDateTime>();\r
public Signal2<String, String> authorChanged = new Signal2<String, String>();\r
public Signal2<String, String> sourceUrlChanged = new Signal2<String, String>();\r
+ public Signal4<String, Double, Double,Double> geoChanged = new Signal4<String,Double,Double,Double>();\r
public Signal0 quotaChanged = new Signal0();\r
public Signal1<String> noteIndexed = new Signal1<String>();\r
public Signal1<Note> noteAdded = new Signal1<Note>();\r