| DataProvider | Allows PSPDFKit to read data from any custom source (e.g. |
| WritableDataProvider | WritableDataProvider is an interface which should be implemented by any |
| FileDataProvider | A DataProvider for a standard filesystem file . |
| InputStreamDataProvider | Abstract data provider that handles serving data from an InputStream. |
| WritableDataProvider.WriteMode | Describes possible write modes for the output. |