The Model class in the 'Write Your First App' example.

model.dart

import 'package:english_words/english_words.dart';

class Model{

  List<String> getData() {
    Iterable<WordPair> wordPair = generateWordPairs().take(10);
    List<String> data = List();
    wordPair.forEach((pair) {
      data.add(pair.asPascalCase);
    });
    return data;
  }
}