@Override
    protected void maybeThrowAuthFailure(Node node) {
        networkClientDelegate.maybeThrowAuthFailure(node);
    }
{@code FetchRequestManager} is responsible for generating {@link FetchRequest} that represent the
{@link SubscriptionState#fetchablePartitions(Predicate)} based on the user's topic subscription/partition
assignment.
clients/src/main/java/org/apache/kafka/clients/consumer/internals/FetchRequestManager.java