diff --git a/lib/private/Log/File.php b/lib/private/Log/File.php
index 56121d21d9..86f57f78fd 100644
--- a/lib/private/Log/File.php
+++ b/lib/private/Log/File.php
@@ -156,7 +156,7 @@ class File implements IWriter, IFileBased {
 	 * @param int $offset
 	 * @return array
 	 */
-	public function getEntries($limit=50, $offset=0) {
+	public function getEntries(int $limit=50, int $offset=0):array {
 		$minLevel = $this->config->getSystemValue("loglevel", ILogger::WARN);
 		$entries = array();
 		$handle = @fopen($this->logFile, 'rb');
@@ -201,7 +201,7 @@ class File implements IWriter, IFileBased {
 	/**
 	 * @return string
 	 */
-	public function getLogFilePath() {
+	public function getLogFilePath():string {
 		return $this->logFile;
 	}
 }
diff --git a/lib/public/Log/IFileBased.php b/lib/public/Log/IFileBased.php
index e4befbfd63..c0eef47297 100644
--- a/lib/public/Log/IFileBased.php
+++ b/lib/public/Log/IFileBased.php
@@ -23,8 +23,21 @@
 
 namespace OCP\Log;
 
+/**
+ * Interface IFileBased
+ *
+ * @package OCP\Log
+ *
+ * @since 14.0.0
+ */
 interface IFileBased {
-	public function getLogFilePath();
+	/**
+	 * @since 14.0.0
+	 */
+	public function getLogFilePath():string;
 
-	public function getEntries($limit=50, $offset=0);
+	/**
+	 * @since 14.0.0
+	 */
+	public function getEntries(int $limit=50, int $offset=0): array;
 }