lib/plugins/aws/package/compile/functions/index.js/AwsCompileFunctions/isArnRefGetAttOrImportValue
class AwsCompileFunctions:  isArnRefGetAttOrImportValue(arn) {
    return (
      typeof arn === 'object' &&
      _.some(_.keys(arn), k => _.includes(['Ref', 'Fn::GetAtt', 'Fn::ImportValue'], k))
    );
  }