https://beam.apache.org/releases/javadoc/2.71.0/org/apache/beam/runners/spark/translation/streaming/CreateStreamingSparkView.Factory.html
CreateStreamingSparkView.Factory (Apache Beam 2.71.0)
declaration: package: org.apache.beam.runners.spark.translation.streaming, class: CreateStreamingSparkView, class: Factory
apache beamfactory