Number of active sessions in the federated poller

Example Metric Record:

json
{
   "#repo" : "humio-metrics",
   "#type" : "metrics",
   "@host" : "1",
   "@id" : "RFqPuCKcrRXVfDtkjx7v7Tys_23_154_1714448662",
   "@ingesttimestamp" : "1714448662657",
   "@timestamp" : 1714448662560,
   "@timestamp.nanos" : "0",
   "@timezone" : "UTC",
   "name" : "federated-poller-session-count",
   "type" : "GAUGE",
   "value" : "0"
}