code: public void deleteStream(String scope, String streamName, Duration latency) {
          DYNAMIC_LOGGER.incCounterValue(DELETE_STREAM, 1);
          deleteStreamLatency.reportSuccessValue(latency.toMillis());
      }
docs: This method increments the global and Stream-specific counters of Stream deletions and reports the latency of
  the operation.
  
  @param scope         Scope.
  @param streamName    Name of the Stream.
  @param latency       Latency of the deleteStream operation.