public void reset() {
        this.requestInFlight = false;
        this.lastSentMs = -1;
        this.lastReceivedMs = -1;
        this.numAttempts = 0;
        this.backoffMs = exponentialBackoff.backoff(0);
    }
Reset request state so that new requests can be sent immediately
and the backoff is restored to its minimal configuration.
clients/src/main/java/org/apache/kafka/clients/consumer/internals/RequestState.java