map[string]interface{}{
			"group":   b.group,
			"version": b.version,
			"kind":    b.kind,
		},
	})

	if opts.IncludeSelectableFields {
		if selectableFields := buildSelectableFields(crd, b.version); selectableFields != nil {
			ret.AddExtension(endpoints.RouteMetaSelectableFields, selectableFields)
		}
	}

	return ret
}