ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		return 1;
	}

	/**
	 * Retrieve the actions that will be sent for this module during a full sync.
	 *
	 * @access public
	 *
	 * @return array Full sync actions of this module.
	 */
	public function get_full_sync_actions() {
		return array( 'jetpack_full_sync_network_options' );
	}

	/**
	 * Retrieve all network options as per the current network options whitelist.
	 *
	 * @access public
	 *
	 * @return array All network options.
	 */
	public function get_all_network_options() {
		$options = array();
		foreach ( $this->network_options_whitelist as $option ) {
			$options[ $option ] = get_site_option( $option );
		}

		return $options;
	}

	/**
	 * Set the network options whitelist.
	 *
	 * @access public
	 *
	 * @param array $options The new network options whitelist.
	 */
	public function set_network_options_whitelist( $options ) {
		$this->network_options_whitelist = $options;
	}

	/**
	 * Get the network options whitelist.
	 *
	 * @access public
	 *
	 * @return array The network options whitelist.
	 */
	public function get_network_options_whitelist() {
		return $this->network_options_whitelist;
	}

	/**
	 * Reject non-whitelisted network options.
	 *
	 * @access public
	 *
	 * @param array $args The hook parameters.
	 * @return array|false $args The hook parameters, false if not a whitelisted network option.
	 */
	public function whitelist_network_options( $args ) {
		if ( ! $this->is_whitelisted_network_option( $args[0] ) ) {
			return false;
		}

		return $args;
	}

	/**
	 * Whether the option is a whitelisted network option.
	 *
	 * @access public
	 *
	 * @param string $option Option name.
	 * @return boolean True if this is a whitelisted network option.
	 */
	public function is_whitelisted_network_option( $option ) {
		return in_array( $option, $this->network_options_whitelist, true );
	}

	/**
	 * Expand the network options within a hook before they are serialized and sent to the server.
	 *
	 * @access public
	 *
	 * @param array $args The hook parameters.
	 * @return array $args The hook parameters.
	 */
	public function expand_network_options( $args ) {
		if ( $args[0] ) {
			return $this->get_all_network_options();
		}

		return $args;
	}

	/**
	 * Return Total number of objects.
	 *
	 * @param array $config Full Sync config.
	 *
	 * @return int total
	 */
	public function total( $config ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		return count( $this->network_options_whitelist );
	}

}