Add new Provider interface for preview providers

the main difference is passing the `File` object to the provider
instead of a `View` + path

Old providers will still continue to work as before

Signed-off-by: Robin Appelman <robin@icewind.nl>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/private/Preview/GIF.php b/lib/private/Preview/GIF.php
index 2189273b3b5..2652efc4ddd 100644
--- a/lib/private/Preview/GIF.php
+++ b/lib/private/Preview/GIF.php
@@ -26,7 +26,7 @@ class GIF extends Image {
 	/**
 	 * {@inheritDoc}
 	 */
-	public function getMimeType() {
+	public function getMimeType(): string {
 		return '/image\/gif/';
 	}
 }