private void performClearOperation(ModelElementInstanceImpl modelElement, Collection<DomElement> elementsToRemove) {
    Collection<ModelElementInstance> modelElements = ModelUtil.getModelElementCollection(elementsToRemove, modelElement.getModelInstance());
    for (ModelElementInstance element : modelElements) {
      modelElement.removeChildElement(element);
    }
  }
private void performClearOperation ( ModelElementInstanceImpl modelElement , Collection < DomElement > elementsToRemove ) { Collection < ModelElementInstance > modelElements = ModelUtil . getModelElementCollection ( elementsToRemove , modelElement . getModelInstance ( ) ) ; for ( ModelElementInstance element : modelElements ) { modelElement . removeChildElement ( element ) ; } }
the "clear" operation used by this collection