This may be easier in C# than in Dart because in C#, you have type declarations for all the members. In Dart, type declarations are optional. (And, IIRC, not

This may be easier in C# than in Dart because in C#, you have type declarations for all the members. In Dart, type declarations are optional. (And, IIRC, not supposed to change the behavior of the program, except for type-checks performed while running in "development" mode; even these are disabled in "production".)