private void releaseClaim() {
    if (numOfAvailableStreams.incrementAndGet() > maxConcurrentStreams) {
      assert false;
      log.warn("Child channel count was caught attempting to be increased over max concurrency. "
          + "Please report this issue to the AWS SDK for Java team.");
      numOfAvailableStreams.decrementAndGet();
    }
  }
Contains a {@link Future} for the actual socket channel and tracks available stream channels.
ambry-network/src/main/java/com/github/ambry/network/http2/MultiplexedChannelRecord.java