host# casual --help discovery
  discovery [0..1]
        responsible for discovery stuff
    SUB OPTIONS
      --list-providers [0..1]
            INCUBATION - list current discovery providers
            
            These are the providers that has registered them self with discovery abilities
            
            @attention INCUBATION - might change during, or in between minor version.
      --services [0..1]  (<value>) [1..*]
            force discover of provided services
            
            Will try to find provided services in other domains.
      --queues [0..1]  (<value>) [1..*]
            force discover of provided queues
            
            Will try to find provided queues in other domains.
      --rediscover [0..1]
            rediscover all 'discoverable' agents
      --metric [0..1]
            list metrics
            
            List counts of _discovery tasks_ the domain-discovery has (begun) executed.
            
            * external-discovery: 
               Requests to other domains
            * internal-discovery: 
               Requests to local providers that supplies _resources_ (service/queues)
            * local-known-request:
               Requests to local providers about the total set of known _resources_ (service/queues)
            * local-needs-request
               Requests to local providers about resources that are needed but not known
            
            @attention INCUBATION - might change during, or in between minor version.
      --metric-message-count [0..1]
            list message counts
            
            Lists counts of "all" internal messages that has been sent and received. 
            
            @attention These might change over time, and between minor versions.
      --state [0..1]  (json, yaml, xml, ini, line) [0..1]
            prints state in the provided format to stdout