Manual cleanup of src/runtime/action/index.js

src/runtime/action/index.js

@@ -1,4 +1,5 @@
 export {};
+
 // Implementation notes:
 // - undefined extends X instead of X extends undefined makes this work better with both strict and nonstrict mode
 // - [X] extends [never] is needed, X extends never would reduce the whole resulting type to never and not to one of the condition outcomes