public static ClientQuotaFilterComponent ofDefaultEntity(String entityType) {
        return new ClientQuotaFilterComponent(entityType, Optional.empty());
    }
Constructs and returns a filter component that matches the built-in default entity name
for the entity type.

@param entityType the entity type the filter component applies to
clients/src/main/java/org/apache/kafka/common/quota/ClientQuotaFilterComponent.java