--- src/javajs/util/Lst.java.orig	2024-03-04 13:46:57.000000000 -0700
+++ src/javajs/util/Lst.java	2024-03-04 13:53:27.531847418 -0700
@@ -47,7 +47,8 @@ public class Lst<V> extends ArrayList<V>
     throw new NullPointerException("use addLast(value), not add(value) in List for JavaScript compatibility");
   }
   
-  public boolean addLast(V v) {
+  @Override
+  public void addLast(V v) {
     
     /**
      * no overloading of add(Object) in JavaScript
@@ -58,7 +59,7 @@ public class Lst<V> extends ArrayList<V>
      *  
      */
     {
-      return super.add(v);
+      super.add(v);
     }
   }