code: func (b *Builder) AllNamespaces(allNamespace bool) *Builder {
  	if allNamespace {
  		b.namespace = metav1.NamespaceAll
  	}
  	b.allNamespace = allNamespace
  	return b
  }
docs: // AllNamespaces instructs the builder to metav1.NamespaceAll as a namespace to request resources
  // across all of the namespace. This overrides the namespace set by NamespaceParam().