presto-kafka/src/main/java/io/prestosql/plugin/kafka/KafkaConnectorConfig.java/KafkaConnectorConfig/setHideInternalColumns
class KafkaConnectorConfig:    @Config("kafka.hide-internal-columns")
    public KafkaConnectorConfig setHideInternalColumns(boolean hideInternalColumns)
    {
        this.hideInternalColumns = hideInternalColumns;
        return this;
    }