var mutex sync.Mutex
	printOnce := make(map[Endpoint]map[string]int)

	return func(endpoint Endpoint, err error, once bool) {
		reqInfo := (&logger.ReqInfo{}).AppendTags("endpoint", endpoint.String())
		ctx := logger.SetReqInfo(GlobalContext, reqInfo)
		mutex.Lock()
		defer mutex.Unlock()

		m, ok := printOnce[endpoint]
		if !ok {
			m = make(map[string]int)
			printOnce[endpoint] = m
			if once {
				m[err.Error()]++

    }

    public void print(final String action, final OptionalThing<FessUserBean> user, final Map<String, String> params) {
        final Map<String, String> valueMap = new LinkedHashMap<>();
        valueMap.put("action", action.replace('\t', '_').toUpperCase(Locale.ENGLISH));
        valueMap.put("user", user.map(FessUserBean::getUserId).orElse("-"));
        final Comparator<Map.Entry<String, String>> c = Comparator.comparing(Map.Entry::getKey);

     * 
     * Property <tt>jcifs.smb.client.nativeOs</tt> (string, default <tt>os.name</tt>)
     * 
     * @return OS string to report
     */
    String getNativeOs ();


    /**
     * 
     * Property <tt>jcifs.smb.client.nativeLanMan</tt> (string, default <tt>jCIFS</tt>)
     * 
     * @return Lanman string to report
     */
    String getNativeLanman ();


    /**
     * 

   *
   * <p>If the mapped keys contain duplicates (according to {@link Object#equals(Object)}), the
   * values are merged using the specified merging function. If the merging function returns {@code
   * null}, then the collector removes the value that has been computed for the key thus far (though
   * future occurrences of the key would reinsert it).
   *

    }


    @Override
    public String toString () {
        return super.toString() + "[" + this.address + ":" + this.port + ",state=" + this.state + ",signingEnforced=" + this.signingEnforced
                + ",usage=" + this.getUsageCount() + "]";
    }


    /* DFS */
    @Override

			case <-GlobalContext.Done():
				return
			}
		}
	}()
}

type envKV struct {
	Key   string
	Value string
	Skip  bool
}

func (e envKV) String() string {
	if e.Skip {
		return ""
	}
	return fmt.Sprintf("%s=%s", e.Key, e.Value)
}

func parsEnvEntry(envEntry string) (envKV, error) {
	envEntry = strings.TrimSpace(envEntry)
	if envEntry == "" {
		// Skip all empty lines

This means that you can send only the data that you want to update, leaving the rest intact.

/// note

`PATCH` is less commonly used and known than `PUT`.

And many teams use only `PUT`, even for partial updates.

type WebhookArgs struct {
	Enable     bool            `json:"enable"`
	Endpoint   xnet.URL        `json:"endpoint"`
	AuthToken  string          `json:"authToken"`
	Transport  *http.Transport `json:"-"`
	ClientCert string          `json:"clientCert"`
	ClientKey  string          `json:"clientKey"`
}

// Validate WebhookArgs fields
func (w WebhookArgs) Validate() error {
	if !w.Enable {
		return nil
	}

      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.

   6. Trademarks. This License does not grant permission to use the trade
      names, trademarks, service marks, or product names of the Licensor,
      except as required for reasonable and customary use in describing the
      origin of the Work and reproducing the content of the NOTICE file.

      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.

   6. Trademarks. This License does not grant permission to use the trade
      names, trademarks, service marks, or product names of the Licensor,
      except as required for reasonable and customary use in describing the
      origin of the Work and reproducing the content of the NOTICE file.