GetLookupdProducers returns a slice of pointers to Producer structs containing metadata for each node connected to given lookupds.

GetLookupdTopicChannels returns a []string containing a union of the channels from all the given lookupd for the given topic.

GetLookupdTopicProducers returns a []string of the broadcast_address:http_port of all the producers for a given topic by unioning the results returned from the given lookupd.

GetLookupdTopics returns a []string containing a union of all the topics from all the given lookupd.

GetNSQDStats returns aggregate topic and channel stats from the given NSQD instances if selectedTopic is empty, this will return stats for *all* topic/channels and the ChannelStats dict will be keyed by topic + ':' + channel.

GetNSQDTopicProducers returns a []string containing the addresses of all the nsqd that produce the given topic out of the given nsqd.

GetNSQDTopics returns a []string containing all the topics produced by the given nsqd.

GetVersion returns a semver.Version object by querying /info.