Function finish_loading_imported_module 

fn finish_loading_imported_module(
    cx: &mut CurrentRealm<'_>,
    referrer_module: Option<Rc<ModuleTree>>,
    module_request_specifier: String,
    payload: Payload,
    result: Result<Rc<ModuleTree>, RethrowError>,
)

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