copy method
Returns a copy if this instance.
Implementation
@override
DOMTemplateBlockIf copy({bool resolveDSX = false}) {
  var copy = DOMTemplateBlockIf(variable);
  copy.nodes.addAll(copyNodes(resolveDSX: resolveDSX));
  return copy;
}Returns a copy if this instance.
@override
DOMTemplateBlockIf copy({bool resolveDSX = false}) {
  var copy = DOMTemplateBlockIf(variable);
  copy.nodes.addAll(copyNodes(resolveDSX: resolveDSX));
  return copy;
}