Function finish_loading_imported_module 

fn finish_loading_imported_module(
    cx: &mut CurrentRealm<'_>,
    referrer: Handle<'_, *mut JSScript>,
    module_request: Handle<'_, *mut JSObject>,
    payload: Handle<'_, JSVal>,
    result: Result<Rc<ModuleTree>, RethrowError>,
)

https://tc39.es/ecma262/#sec-FinishLoadingImportedModule