private void processQuotaRejectedResponse(int correlationId, ReplicaId replicaId) {
    LOGGER.debug("TtlUpdateRequest with response correlationId {} was rejected because quota was exceeded.",
        correlationId);
    operationCompleted = true;
    onErrorResponse(replicaId, new RouterException("QuotaExceeded", RouterErrorCode.TooManyRequests), false);
    checkAndMaybeComplete();
  }
Process response if it was rejected due to quota compliance.
@param correlationId correlation id of the request.
@param replicaId {@link ReplicaId} of the request.
ambry-router/src/main/java/com/github/ambry/router/TtlUpdateOperation.java