func (e *EndpointFilter) Verify(host *admin.HostStatus, cluster string) bool {
	if e.Address == "" && e.Port == 0 && e.Cluster == "" && e.Status == "" {
		return true
	}
	if e.Address != "" && !strings.EqualFold(retrieveEndpointAddress(host), e.Address) {
		return false
	}
	if e.Port != 0 && retrieveEndpointPort(host) != e.Port {
		return false
	}
	if e.Cluster != "" && !strings.EqualFold(cluster, e.Cluster) {
		return false
	}

		}
	}
	_ = w.Flush()
	return nil
}

func parseClusterStatuses(input map[string][]byte) (map[string][]cluster.DebugInfo, error) {
	statuses := make(map[string][]cluster.DebugInfo, len(input))
	for istiodKey, bytes := range input {
		var parsed []cluster.DebugInfo
		if err := json.Unmarshal(bytes, &parsed); err != nil {
			return nil, err
		}
		statuses[istiodKey] = parsed
	}