public boolean updateMultiSelection(final List<? extends NamedConfigurable> selectedConfigurables, final DetailsComponent detailsComponent) {
    FacetType selectedFacetType = null;
    List<FacetEditor> facetEditors = new ArrayList<>();
    for (NamedConfigurable selectedConfigurable : selectedConfigurables) {
      if (selectedConfigurable instanceof FacetConfigurable facetConfigurable) {
        FacetType facetType = facetConfigurable.getEditableObject().getType();
        if (selectedFacetType != null && selectedFacetType != facetType) {
          return false;
        }
        selectedFacetType = facetType;
        facetEditors.add(facetConfigurable.getEditor());
      }
    }
    if (facetEditors.size() <= 1) {
      return false;
    }

    FacetEditor[] selectedEditors = facetEditors.toArray(new FacetEditor[0]);
    MultipleFacetSettingsEditor editor = selectedFacetType.createMultipleConfigurationsEditor(myProject, selectedEditors);
    if (editor == null) {
      return false;
    }

    setSelectedNode(null);
    myCurrentMultipleSettingsEditor = editor;
    detailsComponent.setText(JavaUiBundle.message("multiple.facets.banner.0.1.facets", selectedEditors.length,
                                                        selectedFacetType.getPresentableName()));
    detailsComponent.setContent(editor.createComponent());
    return true;
  }
public boolean updateMultiSelection(final List<? extends NamedConfigurable> selectedConfigurables, final DetailsComponent detailsComponent)