public function get_items( $request ) {
		$args = array(
			'user_id'      => $request['user_id'],
			'box'          => $request['box'],
			'type'         => $request['type'],
			'page'         => $request['page'],
			'per_page'     => $request['per_page'],
			'search_terms' => $request['search'],
		);

		// Include the meta_query for starred messages.
		if ( 'starred' === $args['box'] ) {
			$args['meta_query'] = array( // phpcs:ignore
				array(
					'key'   => 'starred_by_user',
					'value' => $args['user_id'],
				),
			);
		}

		/**
		 * Filter the query arguments for the request.
		 *
		 * @since 5.0.0
		 *
		 * @param array           $args    Key value array of query var to query value.
		 * @param WP_REST_Request $request The request sent to the API.
		 */
		$args = apply_filters( 'bp_rest_messages_get_items_query_args', $args, $request );

		// Actually, query it.
		$messages_box = new BP_Messages_Box_Template( $args );

		$retval = array();
		foreach ( (array) $messages_box->threads as $thread ) {
			$retval[] = $this->prepare_response_for_collection(
				$this->prepare_item_for_response( $thread, $request )
			);
		}

		$response = rest_ensure_response( $retval );
		$response = bp_rest_response_add_total_headers( $response, $messages_box->total_thread_count, $args['per_page'] );

		/**
		 * Fires after a thread is fetched via the REST API.
		 *
		 * @since 5.0.0
		 *
		 * @param BP_Messages_Box_Template  $messages_box Fetched thread.
		 * @param WP_REST_Response          $response     The response data.
		 * @param WP_REST_Request           $request      The request sent to the API.
		 */
		do_action( 'bp_rest_messages_get_items', $messages_box, $response, $request );

		return $response;
	}