[        ] [ +566 ms] Error: Could not resolve the package 'characters' in 'package:characters/characters.dart'.
[        ] [ +215 ms] ../../flutter/packages/flutter/lib/src/material/text_field.dart:9:8: Error: Not found: 'package:characters/characters.dart'
[        ] [        ] import 'package:characters/characters.dart';
[        ] [        ]        ^
[        ] [ +261 ms] ../../flutter/packages/flutter/lib/src/rendering/editable.dart:10:8: Error: Not found: 'package:characters/characters.dart'
[        ] [        ] import 'package:characters/characters.dart';
[        ] [        ]        ^
[  +37 ms] [  +96 ms] ../../flutter/packages/flutter/lib/src/services/text_formatter.dart:9:8: Error: Not found: 'package:characters/characters.dart'
[        ] [        ] import 'package:characters/characters.dart';
[        ] [        ]        ^
[+3398 ms] [+3415 ms] ../../flutter/packages/flutter/lib/src/material/text_field.dart:801:61: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]   int get _currentLength => _effectiveController.value.text.characters.length;
[        ] [        ]                                                             ^^^^^^^^^^
[        ] [   +2 ms] ../../flutter/packages/flutter/lib/src/material/text_field.dart:855:43: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]       if (_effectiveController.value.text.characters.length > widget.maxLength) {
[        ] [        ]                                           ^^^^^^^^^^
[+1698 ms] [+1665 ms] ../../flutter/packages/flutter/lib/src/rendering/editable.dart:243:64: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]        assert(obscuringCharacter != null && obscuringCharacter.characters.length == 1),
[        ] [        ]                                                                ^^^^^^^^^^
[        ] [        ] ../../flutter/packages/flutter/lib/src/rendering/editable.dart:358:35: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]     assert(value != null && value.characters.length == 1);
[        ] [        ]                                   ^^^^^^^^^^
[        ] [   +2 ms] ../../flutter/packages/flutter/lib/src/rendering/editable.dart:564:11: Error: 'Characters' isn't a type.
[        ] [        ]     final Characters remaining = string.characters.skipWhile((String currentString) {
[        ] [        ]           ^^^^^^^^^^
[        ] [        ] ../../flutter/packages/flutter/lib/src/rendering/editable.dart:564:41: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]     final Characters remaining = string.characters.skipWhile((String currentString) {
[        ] [        ]                                         ^^^^^^^^^^
[        ] [        ] ../../flutter/packages/flutter/lib/src/rendering/editable.dart:572:42: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]       return _isWhitespace(currentString.characters.first.toString().codeUnitAt(0));
[        ] [        ]                                          ^^^^^^^^^^
[        ] [        ] ../../flutter/packages/flutter/lib/src/rendering/editable.dart:597:47: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]     for (final String currentString in string.characters) {
[        ] [        ]                                               ^^^^^^^^^^
[        ] [        ] ../../flutter/packages/flutter/lib/src/rendering/editable.dart:599:40: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]           !_isWhitespace(currentString.characters.first.toString().codeUnitAt(0))) {
[        ] [        ]                                        ^^^^^^^^^^
[ +495 ms] [ +466 ms] ../../flutter/packages/flutter/lib/src/services/text_formatter.dart:180:11: Error: 'CharacterRange' isn't a type.
[        ] [        ]     final CharacterRange iterator = CharacterRange(value.text);
[        ] [        ]           ^^^^^^^^^^^^^^
[        ] [   +2 ms] ../../flutter/packages/flutter/lib/src/services/text_formatter.dart:180:37: Error: Method not found: 'CharacterRange'.
[        ] [        ]     final CharacterRange iterator = CharacterRange(value.text);
[        ] [        ]                                     ^^^^^^^^^^^^^^
[        ] [        ] ../../flutter/packages/flutter/lib/src/services/text_formatter.dart:181:20: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]     if (value.text.characters.length > maxLength) {
[        ] [        ]                    ^^^^^^^^^^
[        ] [        ] ../../flutter/packages/flutter/lib/src/services/text_formatter.dart:200:61: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]     if (maxLength != null && maxLength > 0 && newValue.text.characters.length > maxLength) {
[        ] [        ]                                                             ^^^^^^^^^^
[        ] [        ] ../../flutter/packages/flutter/lib/src/services/text_formatter.dart:203:25: Error: The getter 'characters' isn't defined for the class 'String'.
[        ] [        ] Try correcting the name to the name of an existing getter, or defining a getter or field named 'characters'.
[        ] [        ]       if (oldValue.text.characters.length == maxLength) {
[        ] [        ]                         ^^^^^^^^^^