public abstract void removeStatusChangeListener(android.content.ISyncStatusObserver arg1);
public virtual void removeStatusChangeListener(android.content.ISyncStatusObserver callback) { throw new System.NotImplementedException(); }
public abstract void addStatusChangeListener(int arg1, android.content.ISyncStatusObserver arg2);
public override void addStatusChangeListener(int mask, android.content.ISyncStatusObserver callback) { throw new System.NotImplementedException(); }