@Override
  protected boolean setupConfigurationFromContext(@NotNull XsltRunConfiguration configuration,
                                                  @NotNull ConfigurationContext context,
                                                  @NotNull Ref<PsiElement> sourceElement) {
    XmlFile file = getXsltFile(context);
    if (file == null) {
      return false;
    }
    configuration.initFromFile(file);
    return true;
  }
@Override
  protected boolean setupConfigurationFromContext(@NotNull XsltRunConfiguration configuration,
                                                  @NotNull ConfigurationContext context,
                                                  @NotNull Ref<PsiElement> sourceElement)