create method
Create a new window identified by the given key
.
If there already exists a window with key
then the native code won't
create another window.
An optional size
can be passed. If none is given it should use the size
of the main window.
An optional title
can be passed. If none is given it should use the
title of the main window.
Implementation
@override
Future<void> create(
String key, {
Size? size,
String? title,
}) async =>
throw UnimplementedError();