2 files changed, 17 insertions, 12 deletions
diff --git a/lib/public/IPreview.php b/lib/public/IPreview.php
index ba32300a284..6989871d29b 100644
--- a/lib/public/IPreview.php
+++ b/lib/public/IPreview.php
@@ -80,18 +80,6 @@ interface IPreview {
 	public function hasProviders();
 
 	/**
-	 * Return a preview of a file
-	 * @param string $file The path to the file where you want a thumbnail from
-	 * @param int $maxX The maximum X size of the thumbnail. It can be smaller depending on the shape of the image
-	 * @param int $maxY The maximum Y size of the thumbnail. It can be smaller depending on the shape of the image
-	 * @param boolean $scaleUp Scale smaller images up to the thumbnail size or not. Might look ugly
-	 * @return \OCP\IImage
-	 * @since 6.0.0
-	 * @deprecated 11 Use getPreview
-	 */
-	public function createPreview($file, $maxX = 100, $maxY = 75, $scaleUp = false);
-
-	/**
 	 * Returns a preview of a file
 	 *
 	 * The cache is searched first and if nothing usable was found then a preview is
diff --git a/lib/public/IUserSession.php b/lib/public/IUserSession.php
index d7bf5f9a385..b3c470e5be5 100644
--- a/lib/public/IUserSession.php
+++ b/lib/public/IUserSession.php
@@ -42,6 +42,7 @@ namespace OCP;
 interface IUserSession {
 	/**
 	 * Do a user login
+	 *
 	 * @param string $user the username
 	 * @param string $password the password
 	 * @return bool true if successful
@@ -52,6 +53,7 @@ interface IUserSession {
 	/**
 	 * Logs the user out including all the session data
 	 * Logout, destroys session
+	 *
 	 * @return void
 	 * @since 6.0.0
 	 */
@@ -80,4 +82,19 @@ interface IUserSession {
 	 * @since 8.0.0
 	 */
 	public function isLoggedIn();
+
+	/**
+	 * get getImpersonatingUserID
+	 *
+	 * @return string|null
+	 * @since 18.0.0
+	 */
+	public function getImpersonatingUserID(): ?string;
+
+	/**
+	 * set setImpersonatingUserID
+	 *
+	 * @since 18.0.0
+	 */
+	public function setImpersonatingUserID(bool $useCurrentUser = true): void;
 }