| LibraryIndexingListener | Listener to monitor indexing progress. |
| QueryResultListener | Listener for document search query. |
| IndexingOptions | Options that can be passed to enqueueDocuments(List, IndexingOptions) |
| IndexingOptions.Builder | Builder for creating IndexingOptions that can be used with enqueueDocuments(List, IndexingOptions). |
| LibraryIndexStatus | Object representing indexing status for a document. |
| PdfLibrary | PdfLibrary implements a SQLite-based full-text-search engine. |
| QueryOptions | Detailed options for querying the FTS database. |
| QueryOptions.Builder | Builder used to construct QueryOptions instance. |
| QueryPreviewResult | Result from a FTS search which includes preview entries. |
| LibraryIndexStatus.Status | The indexing status of a document in the document library. |