public ContentPartHandlerCoordinator(
            IContentPartFactory contentPartFactory,
            IEnumerable <IContentPartHandler> partHandlers,
            IContentFieldFactory contentFieldFactory,
            IContentDefinitionManager contentDefinitionManager,
            ILogger <ContentPartHandlerCoordinator> logger)
        {
            _contentPartFactory       = contentPartFactory;
            _contentFieldFactory      = contentFieldFactory;
            _partHandlers             = partHandlers;
            _contentDefinitionManager = contentDefinitionManager;

            Logger = logger;
        }