https://spark.apache.org/docs/4.0.1/api/java/org/apache/spark/storage/BlockManagerMessages.ToBlockManagerMasterStorageEndpoint.html
BlockManagerMessages.ToBlockManagerMasterStorageEndpoint (Spark 4.0.1 JavaDoc)
declaration: package: org.apache.spark.storage, class: BlockManagerMessages, interface: ToBlockManagerMasterStorageEndpoint
sparkjavadoc