diff --git a/lib/public/Files/Template/Template.php b/lib/public/Files/Template/Template.php
index b5b90e01f8916..28fd00d0f836e 100644
--- a/lib/public/Files/Template/Template.php
+++ b/lib/public/Files/Template/Template.php
@@ -28,6 +28,9 @@
 
 use OCP\Files\File;
 
+/**
+ * @since 21.0.0
+ */
 class Template implements \JsonSerializable {
 	protected $templateType;
 	protected $templateId;
@@ -35,20 +38,32 @@ class Template implements \JsonSerializable {
 	protected $hasPreview = false;
 	protected $previewUrl;
 
+	/**
+	 * @since 21.0.0
+	 */
 	final public function __construct(string $templateType, string $templateId, File $file) {
 		$this->templateType = $templateType;
 		$this->templateId = $templateId;
 		$this->file = $file;
 	}
 
+	/**
+	 * @since 21.0.0
+	 */
 	final public function setCustomPreviewUrl(string $previewUrl): void {
 		$this->previewUrl = $previewUrl;
 	}
 
+	/**
+	 * @since 21.0.0
+	 */
 	final public function setHasPreview(bool $hasPreview): void {
 		$this->hasPreview = $hasPreview;
 	}
 
+	/**
+	 * @since 21.0.0
+	 */
 	final public function jsonSerialize() {
 		return [
 			'templateType' => $this->templateType,