DLPreviewRendererProvider (Module com.liferay.document.library.api 5.2.5

```
public interface DLPreviewRendererProvider
```
Renders file previews in conjunction with DLPreviewRenderer.
Implementations must specify at least one value for the OSGi property content.type, and can be called only for those supported content types. For example, a DLPreviewRendererProvider that can provide previews for PDF files would have the content type settings content.type=application/pdf and content.type=application/x-pdf.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`java.util.Optional<DLPreviewRenderer>`	`getPreviewDLPreviewRendererOptional(com.liferay.portal.kernel.repository.model.FileVersion fileVersion)` Returns the DL preview renderer responsible for rendering the file preview.
`java.util.Optional<DLPreviewRenderer>`	`getThumbnailDLPreviewRendererOptional(com.liferay.portal.kernel.repository.model.FileVersion fileVersion)` Returns the DL preview renderer responsible for rendering the file thumbnail in the card view.

Interface DLPreviewRendererProvider