public static GroupDelta fromAfter(ContentValues after) {
final GroupDelta entry = new GroupDelta();
entry.mBefore = null;
entry.mAfter = after;
return entry;
}
public static GroupDelta fromBefore(ContentValues before) {
final GroupDelta entry = new GroupDelta();
entry.mBefore = before;
entry.mAfter = new ContentValues();
return entry;
}
