update documentations to include type (#806)
update documentations to include type (#806)


jdpedrie/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,jdpedrie/google-cloud-php,jdpedrie/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php