docs: @Setup(Level.Trial)
    public void setup() throws Exception {
      super.setup(ExecutorType.DIRECT,
          ExecutorType.DIRECT,
          MessageSize.SMALL,
          responseSize,
          clientInboundFlowWindow,
          ChannelType.NIO,
          maxConcurrentStreams,
          1);
      callCounter = new AtomicLong();
      completed = new AtomicBoolean();
      record = new AtomicBoolean();
      latch = startFlowControlledStreamingCalls(maxConcurrentStreams, callCounter, record, completed,
          responseSize.bytes());
    }