src/language-handlebars/printer-glimmer.js/printAttributesLike
function printAttributesLike(path, print) {
  const node = path.getValue();

  return indent(
    concat([
      node.attributes.length ? line : "",
      join(line, path.map(print, "attributes")),

      node.modifiers.length ? line : "",
      join(line, path.map(print, "modifiers")),

      node.comments.length ? line : "",
      join(line, path.map(print, "comments")),
    ])
  );
}