@Override
        void removeRequest() {
            if (!unsentOffsetFetchRequests().remove(this)) {
                log.warn("OffsetFetch request to remove not found in the outbound buffer: {}", this);
            }
        }
Handle failed responses. This will retry if the error is retriable, or complete the
result future exceptionally in the case of non-recoverable or unexpected errors.
clients/src/main/java/org/apache/kafka/clients/consumer/internals/CommitRequestManager.java