}

	// visit items specified by paths
	if len(b.paths) != 0 {
		return b.visitByPaths()
	}

	// visit selectors
	if b.labelSelector != nil || b.fieldSelector != nil {
		return b.visitBySelector()
	}

	// visit items specified by resource and name
	if len(b.resourceTuples) != 0 {
		return b.visitByResource()
	}

	// visit items specified by name
	if len(b.names) != 0 {