}
	sort.Ints(supported)
	return supported
}()

type builtExtAuthz struct {
	http *extauthzhttp.ExtAuthz
	tcp  *extauthztcp.ExtAuthz
	err  error
}

func processExtensionProvider(push *model.PushContext) map[string]*builtExtAuthz {
	resolved := map[string]*builtExtAuthz{}
	for i, config := range push.Mesh.ExtensionProviders {
		var errs error
		if config.Name == "" {

	if option.IsCustomBuilder {
		if len(policies.Custom) == 0 {
			return nil
		}
		return &Builder{
			customPolicies:    policies.Custom,
			extensions:        processExtensionProvider(push),
			trustDomainBundle: trustDomainBundle,
			option:            option,
		}
	}

	if len(policies.Deny) == 0 && len(policies.Allow) == 0 && len(policies.Audit) == 0 {
		return nil
	}