e for the jetpack.getHeartbeatData xmlrpc method
	 *
	 * @param array $params The parameters received in the request.
	 * @return array $params all the stats that hearbeat handles.
	 */
	public static function xmlrpc_data_response( $params = array() ) {
		// The WordPress XML-RPC server sets a default param of array()
		// if no argument is passed on the request and the method handlers get this array in $params.
		// generate_stats_array() needs a string as first argument.
		$params = empty( $params ) ? '' : $params;
		return self::generate_stats_array( $params );
	}

	/**
	 * Clear scheduled events
	 *
	 * @return void
	 */
	public function deactivate() {
		// Deal with the old pre-3.0 weekly one.
		$timestamp = wp_next_scheduled( 'jetpack_heartbeat' );
		if ( $timestamp ) {
			wp_unschedule_event( $timestamp, 'jetpack_heartbeat' );
		}

		$timestamp = wp_next_scheduled( $this->cron_name );
		wp_unschedule_event( $timestamp, $this->cron_name );
	}

	/**
	 * Interact with the Heartbeat
	 *
	 * ## OPTIONS
	 *
	 * inspect (default): Gets the list of data that is going to be sent in the heartbeat and the date/time of the last heartbeat
	 *
	 * @param array $args Arguments passed via CLI.
	 *
	 * @return void
	 */
	public function cli_callback( $args ) {

		$allowed_args = array(
			'inspect',
		);

		if ( isset( $args[0] ) && ! in_array( $args[0], $allowed_args, true ) ) {
			/* translators: %s is a command like "prompt" */
			WP_CLI::error( sprintf( __( '%s is not a valid command.', 'jetpack' ), $args[0] ) );
		}

		$stats           = self::generate_stats_array();
		$formatted_stats = array();

		foreach ( $stats as $stat_name => $bin ) {
			$formatted_stats[] = array(
				'Stat name' => $stat_name,
				'Bin'       => $bin,
			);
		}

		WP_CLI\Utils\format_items( 'table', $formatted_stats, array( 'Stat name', 'Bin' ) );

		$last_heartbeat = Jetpack_Options::get_option( 'last_heartbeat' );

		if ( $last_heartbeat ) {
			$last_date = gmdate( 'Y-m-d H:i:s', $last_heartbeat );
			/* translators: %s is the full datetime of the last heart beat e.g. 2020-01-01 12:21:23 */
			WP_CLI::line( sprintf( __( 'Last heartbeat sent at: %s', 'jetpack' ), $last_date ) );
		}
	}

}