protected virtual void OnClone(BuildEngineSettings settings)
 {
     if (_engineName != null)
     {
         settings._engineName = String.Copy(_engineName);
     }
     if (_properties != null)
     {
         settings._properties = _properties.Clone();
     }
     if (_sharedContent != null)
     {
         settings._sharedContent = _sharedContent.Clone();
     }
     if (_includeContent != null)
     {
         settings._includeContent = _includeContent.Clone();
     }
     if (_configurations != null)
     {
         settings._configurations = (BuildConfigurationList)_configurations.Clone();
     }
     if (_pluginConfigurations != null)
     {
         settings._pluginConfigurations = (BuildConfigurationList)_pluginConfigurations.Clone();
     }
     if (_componentConfigurations != null)
     {
         settings._componentConfigurations =
             (BuildComponentConfigurationList)_componentConfigurations.Clone();
     }
     if (_pluginComponentConfigurations != null)
     {
         settings._pluginComponentConfigurations =
             (BuildComponentConfigurationList)_pluginComponentConfigurations.Clone();
     }
 }