src/language-js/utils.js/hasNewlineBetweenOrAfterDecorators
function hasNewlineBetweenOrAfterDecorators(node, options) {
  return (
    hasNewlineInRange(
      options.originalText,
      options.locStart(node.decorators[0]),
      options.locEnd(getLast(node.decorators))
    ) ||
    hasNewline(options.originalText, options.locEnd(getLast(node.decorators)))
  );
}