void IFiltering <TSourceItem> .expressionWatcher_OnValueChanged(ExpressionWatcher expressionWatcher, object sender, EventArgs eventArgs)
{
Utils.processSourceItemChange(
expressionWatcher,
sender,
eventArgs,
_rootSourceWrapper,
_sourceAsList,
_lastProcessedSourceChangeMarker,
_thisAsSourceItemChangeProcessor,
ref _isConsistent,
ref _handledEventSender,
ref _handledEventArgs,
ref _deferredProcessings,
2, _deferredQueuesCount, this);
}