diff --git a/index.d.ts b/index.d.ts
index fba27f5..27af78d 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,12 +1,14 @@
 interface MorphDomOptions {
     getNodeKey?: (node: Node) => any;
-    onBeforeNodeAdded?: (node: Node) => Node;
-    onNodeAdded?: (node: Node) => Node;
+    onBeforeNodeAdded?: (node: Node) => false | Node;
+    onNodeAdded?: (node: Node) => void;
     onBeforeElUpdated?: (fromEl: HTMLElement, toEl: HTMLElement) => boolean;
     onElUpdated?: (el: HTMLElement) => void;
     onBeforeNodeDiscarded?: (node: Node) => boolean;
     onNodeDiscarded?: (node: Node) => void;
     onBeforeElChildrenUpdated?: (fromEl: HTMLElement, toEl: HTMLElement) => boolean;
+    skipFromChildren?: (fromEl: HTMLElement) => boolean;
+    addChild?: (parent: HTMLElement, child: HTMLElement) => void;
     childrenOnly?: boolean;
 }
 
@@ -14,6 +16,6 @@ declare function morphdom(
     fromNode: Node,
     toNode: Node | string,
     options?: MorphDomOptions,
-): void;
+): Node;
 
-export = morphdom;
+export default morphdom;