headers method
This attribute contains a list each corresponding
to the id attribute of the <th> elements
that apply to this element.
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Implementation
Td headers(List<String> idList, {bool? removeIf}) {
if (removeIf != true && node.attrs != null) {
VirtualAttr attr = VirtualAttr('headers', _html.listToSpaces(idList));
node.attrs!.add(attr);
}
return this;
}