if configs := b.build(b.customPolicies, rbacpb.RBAC_DENY, false); configs != nil {
			b.logger.AppendDebugf("built %d HTTP filters for CUSTOM action", len(configs.http))
			return configs.http
		}
		return nil
	}

	var filters []*hcm.HttpFilter
	if configs := b.build(b.auditPolicies, rbacpb.RBAC_LOG, false); configs != nil {
		b.logger.AppendDebugf("built %d HTTP filters for AUDIT action", len(configs.http))

)

var authzLog = log.RegisterScope("authorization", "Istio Authorization Policy")

type AuthzLogger struct {
	debugMsg []string
	errMsg   *multierror.Error
}

func (al *AuthzLogger) AppendDebugf(format string, args ...any) {
	al.debugMsg = append(al.debugMsg, fmt.Sprintf(format, args...))
}

func (al *AuthzLogger) AppendError(err error) {
	al.errMsg = multierror.Append(al.errMsg, err)
}