supported property
Checks if this type is supported on the current platform.
Implementation
static bool get supported => SvgElement.isTagSupported('feFuncR') && (new SvgElement.tag('feFuncR') is FEFuncRElement);
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-svg/FEFuncRElement/supported.html