Конструктор StyleElement
Реализация
factory StyleElement() =>
_SvgElementFactoryProvider.createSvgElement_tag("style") as StyleElement;
© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-svg/StyleElement/StyleElement.html
