1. Classes
2. AnalyzeEntitiesRequest
3. AnalyzeEntitiesResponse
4. AnalyzeSentimentRequest
5. AnalyzeSentimentResponse
6. AnnotateTextRequest
7. AnnotateTextRequestFeatures
8. AnnotateTextResponse
9. ClassificationCategory
10. ClassifyTextRequest
11. ClassifyTextResponse
12. CloudNaturalLanguageApi
13. Document
14. DocumentsResource
15. Entity
16. EntityMention
17. ModerateTextRequest
18. ModerateTextResponse
19. Sentence
20. Sentiment
21. Typedefs
22. TextSpan
23. Exceptions
24. ApiRequestError
25. DetailedApiRequestError