https://beam.apache.org/releases/javadoc/2.23.0/org/apache/beam/sdk/transforms/ViewFn.html
ViewFn (Apache Beam 2.23.0)
apache beam
https://beam.apache.org/releases/javadoc/2.71.0/org/apache/beam/sdk/transforms/ViewFn.html
ViewFn (Apache Beam 2.71.0)
declaration: package: org.apache.beam.sdk.transforms, class: ViewFn
apache beam