code: @com.netflix.servo.annotations.Monitor(name = "numOfElementsinASGCache",
              description = "Number of elements in the ASG Cache", type = DataSourceType.GAUGE)
      public long getNumberofElementsinASGCache() {
          return asgCache.size();
      }
docs: Gets the number of elements in the ASG cache.
  
  @return the long value representing the number of elements in the ASG
  cache.