`moto` provides support for several of the AWS ConfigService APIs.  Would it be possible to provide that same support with LocalStack?
"dynamodb",
                start=dynamodb_starter.start_dynamodb,
                check=dynamodb_starter.check_dynamodb,
                listener=dynamodb_listener.UPDATE_DYNAMODB,
            )
        )
        register_plugin(Plugin("dynamodbstreams", start=start_dynamodbstreams))
        register_plugin(
            Plugin("ec2", start=ec2_starter.start_ec2, listener=ec2_listener.UPDATE_EC2)
        )
        register_plugin(Plugin("es", start=es_starter.start_elasticsearch_service))
        register_plugin(Plugin("firehose", start=start_firehose))
        register_plugin(
            Plugin("iam", start=iam_starter.start_iam, listener=iam_listener.UPDATE_IAM)
        )
        register_plugin(
            Plugin("sts", start=sts_starter.start_sts, listener=sts_listener.UPDATE_STS)
        )
        register_plugin(
            Plugin(
                "kinesis",
                start=kinesis_starter.start_kinesis,
                check=kinesis_starter.check_kinesis,
                listener=kinesis_listener.UPDATE_KINESIS,
            )
        )
        register_plugin(
            Plugin("kms", start=kms_starter.start_kms, listener=kms_listener.UPDATE_KMS)
        )
        register_plugin(Plugin("lambda", start=start_lambda))