in scala-spark-sdk/src/main/scala/software/amazon/sagemaker/featurestore/sparksdk/FeatureStoreManager.scala [115:121]
def ingestDataInJava(
inputDataFrame: org.apache.spark.sql.Dataset[Row],
featureGroupArn: java.lang.String,
targetStores: java.util.ArrayList[String] = null
): Unit = {
ingestData(inputDataFrame, featureGroupArn, if (targetStores != null) targetStores.asScala.toList else null)
}