Постоянная TYPE_MISMATCH
Реализация
static const String TYPE_MISMATCH = 'TypeMismatchError';
© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-html/DomException/TYPE_MISMATCH-constant.html
