@Nullable
  private CompositePackagingElement<?> findCompositeElementByPath(String pathToElement) {
    CompositePackagingElement<?> element = getRootElement();
    for (String name : StringUtil.split(pathToElement, "/")) {
      element = element.findCompositeChild(name);
      if (element == null) return null;
    }
    return element;
  }
@Nullable
  private CompositePackagingElement<?> findCompositeElementByPath(String pathToElement)