build method
The final step in the chain. Converts the StyledElement tree, with its
attached Style
elements, into an InlineSpan
tree that includes
Widget/TextSpans that can be rendered in a RichText widget.
Implementation
InlineSpan build(ExtensionContext context) {
throw UnimplementedError(
"Extension `$runtimeType` matched `${context.styledElement!.name}` but didn't implement `parse`",
);
}