public function get_import_process_class( $slug = null ) {
		$default_slug  = $this->get_import_process_default( false );
		$default_class = $this->get_import_process_default();

		$available = $this->get_import_process_options();
		if ( null === $slug ) {
			$slug = tribe_get_option( 'tribe_aggregator_import_process_system', $default_slug );
		}

		$class = Tribe__Utils__Array::get( $available, $slug, $default_class );

		/**
		 * Filters the import process class that will be returned for an import process slug.
		 *
		 * @since 4.6.23
		 *
		 * @param string $class     The import process slug for the slug or the default class if the
		 *                          slug was not specified or the specified slug is not available.
		 * @param string|null $slug The specified slug or `null` if not specified.
		 * @param array $available  A map of available process classes in the shape
		 *                          [ <slug> => <class> ].
		 */
		$class = apply_filters( 'tribe_aggregator_import_process', $class, $slug, $available );

		return $class;
	}