AppSearchSession	Provides a connection to a single AppSearch database.
Capabilities	A class that encapsulates all features that are only supported with certain combinations of backend and Android API Level.
DocumentClassFactory<T>	An interface for factories which can convert between instances of classes annotated with \@Document and instances of GenericDocument.
GlobalSearchSession	Provides a connection to all AppSearch databases the querying application has been granted access to.
SearchResults	Encapsulates results of a search operation.

AppSearchBatchResult<KeyType, ValueType>	Provides results for AppSearch batch operations which encompass multiple documents.
AppSearchBatchResult.Builder<KeyType, ValueType>	Builder for AppSearchBatchResult objects.
AppSearchResult<ValueType>	Information about the success or failure of an AppSearch call.
AppSearchSchema	The AppSearch Schema for a particular type of document.
AppSearchSchema.BooleanPropertyConfig	Configuration for a property containing a boolean.
AppSearchSchema.BooleanPropertyConfig.Builder	Builder for AppSearchSchema.BooleanPropertyConfig.
AppSearchSchema.Builder	Builder for objects.
AppSearchSchema.BytesPropertyConfig	Configuration for a property containing a byte array.
AppSearchSchema.BytesPropertyConfig.Builder	Builder for AppSearchSchema.BytesPropertyConfig.
AppSearchSchema.DocumentPropertyConfig	Configuration for a property containing another Document.
AppSearchSchema.DocumentPropertyConfig.Builder	Builder for AppSearchSchema.DocumentPropertyConfig.
AppSearchSchema.DoublePropertyConfig	Configuration for a property containing a double-precision decimal number.
AppSearchSchema.DoublePropertyConfig.Builder	Builder for AppSearchSchema.DoublePropertyConfig.
AppSearchSchema.LongPropertyConfig	Configuration for a property containing a 64-bit integer.
AppSearchSchema.LongPropertyConfig.Builder	Builder for AppSearchSchema.LongPropertyConfig.
AppSearchSchema.PropertyConfig	Common configuration for a single property (field) in a Document.
AppSearchSchema.StringPropertyConfig	Configuration for a property of type String in a Document.
AppSearchSchema.StringPropertyConfig.Builder	Builder for AppSearchSchema.StringPropertyConfig.
DocumentClassFactoryRegistry	A registry which maintains instances of DocumentClassFactory.
GenericDocument	Represents a document unit.
GenericDocument.Builder<BuilderType>	The builder class for GenericDocument.
GetByDocumentIdRequest	Encapsulates a request to retrieve documents by namespace and IDs from the AppSearchSession database.
GetByDocumentIdRequest.Builder	Builder for GetByDocumentIdRequest objects.
GetSchemaResponse	The response class of AppSearchSession.getSchema()
GetSchemaResponse.Builder	Builder for GetSchemaResponse objects.
Migrator	A migrator class to translate GenericDocument from different version of AppSearchSchema
PackageIdentifier	This class represents a uniquely identifiable package.
PutDocumentsRequest	Encapsulates a request to index documents into an AppSearchSession database.
PutDocumentsRequest.Builder	Builder for PutDocumentsRequest objects.
RemoveByDocumentIdRequest	Encapsulates a request to remove documents by namespace and IDs from the AppSearchSession database.
RemoveByDocumentIdRequest.Builder	Builder for RemoveByDocumentIdRequest objects.
ReportSystemUsageRequest	A request to report usage of a document owned by another app from a system UI surface.
ReportSystemUsageRequest.Builder	Builder for ReportSystemUsageRequest objects.
ReportUsageRequest	A request to report usage of a document.
ReportUsageRequest.Builder	Builder for ReportUsageRequest objects.
SearchResult	This class represents one of the results obtained from an AppSearch query.
SearchResult.Builder	Builder for SearchResult objects.
SearchResult.MatchInfo	This class represents a match objects for any Snippets that might be present in SearchResults from query.
SearchResult.MatchInfo.Builder	Builder for SearchResult.MatchInfo objects.
SearchResult.MatchRange	Class providing the position range of matching information.
SearchResultPage	This class represents a page of SearchResults
SearchSpec	This class represents the specification logic for AppSearch.
SearchSpec.Builder	Builder for objects.
SetSchemaRequest	Encapsulates a request to update the schema of an AppSearchSession database.
SetSchemaRequest.Builder	Builder for SetSchemaRequest objects.
SetSchemaResponse	The response class of AppSearchSession.setSchema(SetSchemaRequest)
SetSchemaResponse.Builder	Builder for SetSchemaResponse objects.
SetSchemaResponse.MigrationFailure	The class represents a post-migrated GenericDocument that failed to be saved by AppSearchSession.setSchema(SetSchemaRequest).
StorageInfo	The response class of AppSearchSession#getStorageInfo.
StorageInfo.Builder	Builder for StorageInfo objects.

AppSearchResult.ResultCode	Result codes from AppSearchSession methods.
AppSearchSchema.PropertyConfig.Cardinality	The cardinality of the property (whether it is required, optional or repeated).
AppSearchSchema.PropertyConfig.DataType	Physical data-types of the contents of the property.
AppSearchSchema.StringPropertyConfig.IndexingType	Encapsulates the configurations on how AppSearch should query/index these terms.
AppSearchSchema.StringPropertyConfig.TokenizerType	Configures how tokens should be extracted from this property.
SearchSpec.GroupingType	Grouping type for result limits.
SearchSpec.Order	Order for query result.
SearchSpec.RankingStrategy	Ranking Strategy for query result.
SearchSpec.TermMatch	Term Match Type for the query.