presto-kafka/src/main/java/io/prestosql/plugin/kafka/KafkaConnectorFactory.java/KafkaConnectorFactory/KafkaConnectorFactory
class KafkaConnectorFactory:    KafkaConnectorFactory(Optional<Supplier<Map<SchemaTableName, KafkaTopicDescription>>> tableDescriptionSupplier)
    {
        this.tableDescriptionSupplier = requireNonNull(tableDescriptionSupplier, "tableDescriptionSupplier is null");
    }