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