| Class | Description | 
|---|---|
| AnalyzeEntitiesRequest | 
 The entity analysis request message. | 
| AnalyzeEntitiesRequest.Builder | 
 The entity analysis request message. | 
| AnalyzeEntitiesResponse | 
 The entity analysis response message. | 
| AnalyzeEntitiesResponse.Builder | 
 The entity analysis response message. | 
| AnalyzeEntitySentimentRequest | 
 The entity-level sentiment analysis request message. | 
| AnalyzeEntitySentimentRequest.Builder | 
 The entity-level sentiment analysis request message. | 
| AnalyzeEntitySentimentResponse | 
 The entity-level sentiment analysis response message. | 
| AnalyzeEntitySentimentResponse.Builder | 
 The entity-level sentiment analysis response message. | 
| AnalyzeSentimentRequest | 
 The sentiment analysis request message. | 
| AnalyzeSentimentRequest.Builder | 
 The sentiment analysis request message. | 
| AnalyzeSentimentResponse | 
 The sentiment analysis response message. | 
| AnalyzeSentimentResponse.Builder | 
 The sentiment analysis response message. | 
| AnalyzeSyntaxRequest | 
 The syntax analysis request message. | 
| AnalyzeSyntaxRequest.Builder | 
 The syntax analysis request message. | 
| AnalyzeSyntaxResponse | 
 The syntax analysis response message. | 
| AnalyzeSyntaxResponse.Builder | 
 The syntax analysis response message. | 
| AnnotateTextRequest | 
 The request message for the text annotation API, which can perform multiple
 analysis types (sentiment, entities, and syntax) in one call. | 
| AnnotateTextRequest.Builder | 
 The request message for the text annotation API, which can perform multiple
 analysis types (sentiment, entities, and syntax) in one call. | 
| AnnotateTextRequest.Features | 
 All available features for sentiment, syntax, and semantic analysis. | 
| AnnotateTextRequest.Features.Builder | 
 All available features for sentiment, syntax, and semantic analysis. | 
| AnnotateTextResponse | 
 The text annotations response message. | 
| AnnotateTextResponse.Builder | 
 The text annotations response message. | 
| ClassificationCategory | 
 Represents a category returned from the text classifier. | 
| ClassificationCategory.Builder | 
 Represents a category returned from the text classifier. | 
| ClassifyTextRequest | 
 The document classification request message. | 
| ClassifyTextRequest.Builder | 
 The document classification request message. | 
| ClassifyTextResponse | 
 The document classification response message. | 
| ClassifyTextResponse.Builder | 
 The document classification response message. | 
| DependencyEdge | 
 Represents dependency parse tree information for a token. | 
| DependencyEdge.Builder | 
 Represents dependency parse tree information for a token. | 
| Document | 
 ################################################################ #
 Represents the input to API methods. | 
| Document.Builder | 
 ################################################################ #
 Represents the input to API methods. | 
| Entity | 
 Represents a phrase in the text that is a known entity, such as
 a person, an organization, or location. | 
| Entity.Builder | 
 Represents a phrase in the text that is a known entity, such as
 a person, an organization, or location. | 
| EntityMention | 
 Represents a mention for an entity in the text. | 
| EntityMention.Builder | 
 Represents a mention for an entity in the text. | 
| LanguageServiceGrpc | 
 Provides text analysis operations such as sentiment analysis and entity
 recognition. | 
| LanguageServiceGrpc.LanguageServiceBlockingStub | 
 Provides text analysis operations such as sentiment analysis and entity
 recognition. | 
| LanguageServiceGrpc.LanguageServiceFutureStub | 
 Provides text analysis operations such as sentiment analysis and entity
 recognition. | 
| LanguageServiceGrpc.LanguageServiceImplBase | 
 Provides text analysis operations such as sentiment analysis and entity
 recognition. | 
| LanguageServiceGrpc.LanguageServiceStub | 
 Provides text analysis operations such as sentiment analysis and entity
 recognition. | 
| LanguageServiceProto | |
| PartOfSpeech | 
 Represents part of speech information for a token. | 
| PartOfSpeech.Builder | 
 Represents part of speech information for a token. | 
| Sentence | 
 Represents a sentence in the input document. | 
| Sentence.Builder | 
 Represents a sentence in the input document. | 
| Sentiment | 
 Represents the feeling associated with the entire text or entities in
 the text. | 
| Sentiment.Builder | 
 Represents the feeling associated with the entire text or entities in
 the text. | 
| TextSpan | 
 Represents an output piece of text. | 
| TextSpan.Builder | 
 Represents an output piece of text. | 
| Token | 
 Represents the smallest syntactic building block of the text. | 
| Token.Builder | 
 Represents the smallest syntactic building block of the text. | 
| Enum | Description | 
|---|---|
| DependencyEdge.Label | 
 The parse label enum for the token. | 
| Document.SourceCase | |
| Document.Type | 
 The document types enum. | 
| EncodingType | 
 Represents the text encoding that the caller uses to process the output. | 
| Entity.Type | 
 The type of the entity. | 
| EntityMention.Type | 
 The supported types of mentions. | 
| PartOfSpeech.Aspect | 
 The characteristic of a verb that expresses time flow during an event. | 
| PartOfSpeech.Case | 
 The grammatical function performed by a noun or pronoun in a phrase,
 clause, or sentence. | 
| PartOfSpeech.Form | 
 Depending on the language, Form can be categorizing different forms of
 verbs, adjectives, adverbs, etc. | 
| PartOfSpeech.Gender | 
 Gender classes of nouns reflected in the behaviour of associated words. | 
| PartOfSpeech.Mood | 
 The grammatical feature of verbs, used for showing modality and attitude. | 
| PartOfSpeech.Number | 
 Count distinctions. | 
| PartOfSpeech.Person | 
 The distinction between the speaker, second person, third person, etc. | 
| PartOfSpeech.Proper | 
 This category shows if the token is part of a proper name. | 
| PartOfSpeech.Reciprocity | 
 Reciprocal features of a pronoun. | 
| PartOfSpeech.Tag | 
 The part of speech tags enum. | 
| PartOfSpeech.Tense | 
 Time reference. | 
| PartOfSpeech.Voice | 
 The relationship between the action that a verb expresses and the
 participants identified by its arguments. |