diff --git a/projects/js-toolkit/packages/js-api/editor/index.ts b/projects/js-toolkit/packages/js-api/editor/index.ts
index ac73ee10a..38f69d929 100644
--- a/projects/js-toolkit/packages/js-api/editor/index.ts
+++ b/projects/js-toolkit/packages/js-api/editor/index.ts
@@ -16,4 +16,5 @@ export interface EditorConfigTransformer<T> {
 
 export interface EditorTransformer<T> {
 	editorConfigTransformer: EditorConfigTransformer<T>;
+	foo: string;
 }