* Main Wrapper for radio.$ and create a function radio to accept the channelName * @param {String} channelName topic of event

* @param {String} [dir] Starting directory absolute path. Default: current working dir * @param {Object} [options] * @param {Object}

* Represents metadata needed to manage the swarm * @param swarmId uniqueId or null if needs to create new * @param size the size of the swar

* * @param swarmId * @param seeder true if seeder * @param complete true if availabilityMap, false if update * @param blockIds in