) ([]grpc.DialOption, error) {
	ctx := context.TODO()
	// If we are using the insecure 15010 don't bother getting a token
	if opts.Plaintext || opts.CertDir != "" {
		return make([]grpc.DialOption, 0), nil
	}
	// Use bearer token
	aud := tokenAudiences
	isMCP := strings.HasSuffix(opts.Xds, ".googleapis.com") || strings.HasSuffix(opts.Xds, ".googleapis.com:443")
	if isMCP {
		// Special credentials handling when using ASM Managed Control Plane.