def app_catalogs(self) -> AppCatalogsRequestBuilder:
        """
        Provides operations to manage the appCatalogs singleton.
        """
        from .app_catalogs.app_catalogs_request_builder import AppCatalogsRequestBuilder

        return AppCatalogsRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the appCatalogs singleton.
        
msgraph/generated/base_graph_service_client.py