public function get_items_permissions_check( $request ) {
		$retval = true;

		if ( ! is_user_logged_in() || ( bp_loggedin_user_id() !== $request['user_id'] && ! $this->can_see() ) ) {
			$retval = new WP_Error(
				'bp_rest_authorization_required',
				__( 'Sorry, you are not allowed to see the notifications.', 'buddypress' ),
				array(
					'status' => rest_authorization_required_code(),
				)
			);
		}

		/**
		 * Filter the notifications `get_items` permissions check.
		 *
		 * @since 5.0.0
		 *
		 * @param bool|WP_Error   $retval  Returned value.
		 * @param WP_REST_Request $request The request sent to the API.
		 */
		return apply_filters( 'bp_rest_notifications_get_items_permissions_check', $retval, $request );
	}