src/language-handlebars/printer-glimmer.js/getParams
function getParams(path, print) {
  const node = path.getValue();
  let parts = [];

  if (node.params.length > 0) {
    parts = parts.concat(path.map(print, "params"));
  }

  if (node.hash && node.hash.pairs.length > 0) {
    parts.push(path.call(print, "hash"));
  }
  return parts;
}