// 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

	}
	c := &config.Config{
		Meta: config.Meta{
			ResourceVersion: m.Metadata.Version,
			Labels:          m.Metadata.Labels,
			Annotations:     m.Metadata.Annotations,
		},
	}

	if !config.ObjectInRevision(c, a.cfg.Revision) { // In case upstream does not support rev in node meta.
		return nil, nil
	}

	if c.Meta.Annotations == nil {
		c.Meta.Annotations = make(map[string]string)
	}