// we should always include it
	if rev == "" {
		return true
	}
	// Otherwise, only return true if revisions equal
	return configEnv == rev
}

func ObjectInRevision(o *Config, rev string) bool {
	return LabelsInRevision(o.Labels, rev)
}

// Spec defines the spec for the config. In order to use below helper methods,
// this must be one of:
// * golang/protobuf Message