@Override
  public void addFacetElement(@NotNull String facetTypeId, @NotNull String facetName, Element configuration) {
    Element componentElement = JDomSerializationUtil.findOrCreateComponentElement(getRootElement(), JpsFacetSerializer.FACET_MANAGER_COMPONENT_NAME);
    Element facetElement = new Element(JpsFacetSerializer.FACET_TAG);
    facetElement.setAttribute(JpsFacetSerializer.TYPE_ATTRIBUTE, facetTypeId);
    facetElement.setAttribute(JpsFacetSerializer.NAME_ATTRIBUTE, facetName);
    configuration.setName(JpsFacetSerializer.CONFIGURATION_TAG);
    facetElement.addContent(configuration);
    componentElement.addContent(facetElement);
  }
@Override
  public void addFacetElement(@NotNull String facetTypeId, @NotNull String facetName, Element configuration)