https://beam.apache.org/releases/javadoc/2.71.0/org/apache/beam/sdk/coders/TextualIntegerCoder.html
TextualIntegerCoder (Apache Beam 2.71.0)
declaration: package: org.apache.beam.sdk.coders, class: TextualIntegerCoder
apache beam
https://beam.apache.org/releases/javadoc/2.1.0/org/apache/beam/sdk/coders/TextualIntegerCoder.html
TextualIntegerCoder