load method
Future<Null> load(Ensure that libraryName has been loaded.
If the library fails to load, the Future will complete with a DeferredLoadException.
Source
external Future<Null> load();
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-async/DeferredLibrary/load.html
