public AclBinding toBinding() {
        ResourcePattern resourcePattern =
            new ResourcePattern(resourceType, resourceName, patternType);
        AccessControlEntry accessControlEntry =
            new AccessControlEntry(principal, host, operation, permissionType);
        return new AclBinding(resourcePattern, accessControlEntry);
    }
A Kafka ACLs which is identified by a UUID and stored in the metadata log.
metadata/src/main/java/org/apache/kafka/metadata/authorizer/StandardAcl.java