putAsync<S>  method 
      
Future<S> 
putAsync<S>( 
    
- AsyncInstanceBuilderCallback<S> builder, {
- String? tag,
- bool permanent = false,
async version of Get.put().
Awaits for the resolution of the Future from builder()parameter and
stores the Instance returned.
Implementation
Future<S> putAsync<S>(AsyncInstanceBuilderCallback<S> builder,
        {String? tag, bool permanent = false}) async =>
    GetInstance().putAsync<S>(builder, tag: tag, permanent: permanent);