StandardAuthorizerData copyWithNewAclMutator(AclMutator newAclMutator) {
        return new StandardAuthorizerData(
            log,
            newAclMutator,
            loadingComplete,
            superUsers,
            noAclRule.result,
            aclCache);
    }
Contains all of the current ACLs
metadata/src/main/java/org/apache/kafka/metadata/authorizer/StandardAuthorizerData.java