| Interface | Description | 
|---|---|
| WordCount.WordCountOptions | Options supported by  WordCount. | 
| Class | Description | 
|---|---|
| WordCount | Duplicated from beam-examples-java to avoid dependency. | 
| WordCount.CountWords | A PTransform that converts a PCollection containing lines of text into a PCollection of
 formatted word counts. | 
| WordCount.FormatAsTextFn | A SimpleFunction that converts a Word and Count into a printable string. |