anchor.diff:  [source,shell]
   .Fetch availability stats using bucketDuration parameter
   ----
  -curl -X GET http://server/hawkular/metrics/availability/server1/stats?start=1235&end=6789&bucketDuration=60000 \
  +curl -X GET http://server/hawkular/metrics/availability/server1/stats?start=1235&end=6789&bucketDuration=60s \
   -H "Content-Type: application/json" -H "Hawkular-Tenant: com.acme"
   ----
   
  
positive.code: [source,shell]
  .Fetch gauge stats using bucketDuration parameter
  ----
  curl -X GET http://server/hawkular/metrics/gauges/request_size/stats?start=1235&end=6789&bucketDuration=60000 \
  -H "Content-Type: application/json" -H "Hawkular-Tenant: com.acme"
  ----
  
  
negative.code: ----
  
  This data point includes the 90th, 95th, and 99th percentiles. Unless the request explicitly asks for percentiles, they
  will be omitted. See <<percentiles-param-with-gauge,this example below>> to see how the `percentiles` query parameter
  is used..
  
  ==== Querying Stats
  This section provides examples of all the `/stats` endpoints for the different metric types.
  
  ==== Querying Gauges
  [source,shell]
  