code: func (gce *Cloud) ListSslCertificates() (*compute.SslCertificateList, error) {
  	// TODO: use PageToken to list all not just the first 500
  	return gce.service.SslCertificates.List(gce.projectID).Do()
  }
docs: // ListSslCertificates lists all SslCertificates in the project.