Final verification complete - all tests pass

Co-authored-by: kobenguyent <7845001+kobenguyent@users.noreply.github.com>

Author: Copilot

test/data/sandbox/configs/custom-helper-esm/steps.d.ts

@@ -0,0 +1,11 @@
+/// <reference types='codeceptjs' />
+type MyHelper = InstanceType<typeof import('./myhelper_helper.js').default>;
+
+declare namespace CodeceptJS {
+  interface SupportObject { I: I, current: any }
+  interface Methods extends FileSystem, MyHelper {}
+  interface I extends WithTranslation<Methods> {}
+  namespace Translation {
+    interface Actions {}
+  }
+}