// to identify which changes were made after they're done.
int modCount = modifications.size();
executePostOpPlugins = true;
PluginResult.PreOperation preOpResult =
pluginConfigManager.invokePreOperationModifyDNPlugins(this);
if (!preOpResult.continueProcessing())
{
setResultCode(preOpResult.getResultCode());
appendErrorMessage(preOpResult.getErrorMessage());
setMatchedDN(preOpResult.getMatchedDN());