anchor.diff:                diffToJson(diff),
                 equals({
                   '#type': 'library',
  -                '@stubs': {'#type': 'library'},
  -                '@unknown': {'#type': 'library'},
                   'package:input': {
                     '#type': 'package',
                     'package:input/input.dart': {
  
positive.code:                   '#type': 'package',
                    'package:input/input.dart': {
                      '#type': 'library',
                      '#size': lessThan(0),
                      'K': {'#size': isA<int>(), '#type': 'class'},
                      '::': {
                        '#type': 'class',
                        'makeSomeClosures': {
  
negative.code:               diffToJson(diff),
                equals({
                  '#type': 'library',
                  'package:input': {
                    '#type': 'package',
                    'package:input/input.dart': {
  