Flag conformance methods as private
Flag conformance methods as private

These methods don't need to be part of the public API, so mark private.

googleapis/google-cloud-ruby,landrito/google-cloud-ruby,quartzmo/google-cloud-ruby,CloudVLab/google-cloud-ruby,quartzmo/google-cloud-ruby,googleapis/google-cloud-ruby,CloudVLab/google-cloud-ruby,dazuma/google-cloud-ruby,landrito/google-cloud-ruby,googleapis/google-cloud-ruby,quartzmo/google-cloud-ruby,googleapis/google-cloud-ruby,quartzmo/google-cloud-ruby,landrito/google-cloud-ruby,CloudVLab/google-cloud-ruby,blowmage/gcloud-ruby,dazuma/google-cloud-ruby,CloudVLab/google-cloud-ruby,dazuma/google-cloud-ruby,dazuma/google-cloud-ruby,googleapis/google-cloud-ruby,quartzmo/google-cloud-ruby,CloudVLab/google-cloud-ruby,googleapis/google-cloud-ruby,dazuma/google-cloud-ruby,quartzmo/google-cloud-ruby,dazuma/google-cloud-ruby,landrito/google-cloud-ruby,quartzmo/gcloud-ruby,landrito/google-cloud-ruby