hunk.code_window: func TestGetPing(t *testing.T) {
   	th := Setup(t)
   	defer th.TearDown()
   	t.Run("basic ping", func(t *testing.T) {
   		t.Run("healthy", func(t *testing.T) {
  
hunk.labels: keep keep keep keep replace replace keep
hunk.after_edit: 	th.TestForAllClients(t, func(t *testing.T, client *model.Client4) {
  
hunk.file_path: api4/system_test.go
hunk.type: replace
file: // Copyright 2012-2018 Oliver Eilhard. All rights reserved.
  // Use of this source code is governed by a MIT-license.
  // See http://olivere.mit-license.org/license.txt for details.
  
  package elastic
  
  import (
  	"context"
  	"encoding/json"
  	"fmt"
  	"net/http"
  	"net/url"
  	"strings"
  
  	"github.com/olivere/elastic/uritemplates"
  )
  
  // XPackWatcherAckWatchService enables you to manually throttle execution of the watch’s actions.
  // See https://www.elastic.co/guide/en/elasticsearch/reference/6.8/watcher-api-ack-watch.html.
  type XPackWatcherAckWatchService struct {
  	client *Client
  
  	pretty     *bool       // pretty format the returned JSON response
  	human      *bool       // return human readable values for statistics
  	errorTrace *bool       // include the stack trace of returned errors
  	filterPath []string    // list of filters used to reduce the response
  	headers    http.Header // custom request-level HTTP headers
  
  	watchId       string
  	actionId      []string
  	masterTimeout string
  }
  
  // NewXPackWatcherAckWatchService creates a new XPackWatcherAckWatchService.
  func NewXPackWatcherAckWatchService(client *Client) *XPackWatcherAckWatchService {
  	return &XPackWatcherAckWatchService{
  		client: client,
  	}
  }
  
  // Pretty tells Elasticsearch whether to return a formatted JSON response.
  func (s *XPackWatcherAckWatchService) Pretty(pretty bool) *XPackWatcherAckWatchService {
  	s.pretty = &pretty
  	return s
  }
  
  // Human specifies whether human readable values should be returned in
  // the JSON response, e.g. "7.5mb".
  func (s *XPackWatcherAckWatchService) Human(human bool) *XPackWatcherAckWatchService {
  	s.human = &human
  	return s
  }
  
  // ErrorTrace specifies whether to include the stack trace of returned errors.
  func (s *XPackWatcherAckWatchService) ErrorTrace(errorTrace bool) *XPackWatcherAckWatchService {
  	s.errorTrace = &errorTrace
  	return s
  }
  
  // FilterPath specifies a list of filters used to reduce the response.
  func (s *XPackWatcherAckWatchService) FilterPath(filterPath ...string) *XPackWatcherAckWatchService {
  	s.filterPath = filterPath
  	return s
  }
  
  // Header adds a header to the request.
  func (s *XPackWatcherAckWatchService) Header(name string, value string) *XPackWatcherAckWatchService {
  	if s.headers == nil {
  		s.headers = http.Header{}
  	}
  	s.headers.Add(name, value)
  	return s
  }
  
  // Headers specifies the headers of the request.
  func (s *XPackWatcherAckWatchService) Headers(headers http.Header) *XPackWatcherAckWatchService {
  	s.headers = headers
  	return s
  }
  
  // WatchId is the unique ID of the watch.
  func (s *XPackWatcherAckWatchService) WatchId(watchId string) *XPackWatcherAckWatchService {
  	s.watchId = watchId
  	return s
  }
  
  // ActionId is a slice of action ids to be acked.
  func (s *XPackWatcherAckWatchService) ActionId(actionId ...string) *XPackWatcherAckWatchService {
  	s.actionId = append(s.actionId, actionId...)
  	return s
  }
  
  // MasterTimeout indicates an explicit operation timeout for
  // connection to master node.
  func (s *XPackWatcherAckWatchService) MasterTimeout(masterTimeout string) *XPackWatcherAckWatchService {
  	s.masterTimeout = masterTimeout
  	return s
  }
  
  // buildURL builds the URL for the operation.
  func (s *XPackWatcherAckWatchService) buildURL() (string, url.Values, error) {
  	// Build URL
  	var (
  		path string
  		err  error
  	)
  	if len(s.actionId) > 0 {
  		path, err = uritemplates.Expand("/_xpack/watcher/watch/{watch_id}/_ack/{action_id}", map[string]string{
  			"watch_id":  s.watchId,
  			"action_id": strings.Join(s.actionId, ","),
  		})
  	} else {
  		path, err = uritemplates.Expand("/_xpack/watcher/watch/{watch_id}/_ack", map[string]string{
  			"watch_id": s.watchId,
  		})
  	}
  	if err != nil {
  		return "", url.Values{}, err
  	}
  
  	// Add query string parameters
  	params := url.Values{}
  	if v := s.pretty; v != nil {
  		params.Set("pretty", fmt.Sprint(*v))
  	}
  	if v := s.human; v != nil {
  		params.Set("human", fmt.Sprint(*v))
  	}
  	if v := s.errorTrace; v != nil {
  		params.Set("error_trace", fmt.Sprint(*v))
  	}
  	if len(s.filterPath) > 0 {
  		params.Set("filter_path", strings.Join(s.filterPath, ","))
  	}
  	if s.masterTimeout != "" {
  		params.Set("master_timeout", s.masterTimeout)
  	}
  	return path, params, nil
  }
  
  // Validate checks if the operation is valid.
  func (s *XPackWatcherAckWatchService) Validate() error {
  	var invalid []string
  	if s.watchId == "" {
  		invalid = append(invalid, "WatchId")
  	}
  	if len(invalid) > 0 {
  		return fmt.Errorf("missing required fields: %v", invalid)
  	}
  	return nil
  }
  
  // Do executes the operation.
  func (s *XPackWatcherAckWatchService) Do(ctx context.Context) (*XPackWatcherAckWatchResponse, error) {
  	// Check pre-conditions
  	if err := s.Validate(); err != nil {
  		return nil, err
  	}
  
  	// Get URL for request
  	path, params, err := s.buildURL()
  	if err != nil {
  		return nil, err
  	}
  
  	// Get HTTP response
  	res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
  		Method:  "PUT",
  		Path:    path,
  		Params:  params,
  		Headers: s.headers,
  	})
  	if err != nil {
  		return nil, err
  	}
  
  	// Return operation response
  	ret := new(XPackWatcherAckWatchResponse)
  	if err := json.Unmarshal(res.Body, ret); err != nil {
  		return nil, err
  	}
  	return ret, nil
  }
  
  // XPackWatcherAckWatchResponse is the response of XPackWatcherAckWatchService.Do.
  type XPackWatcherAckWatchResponse struct {
  	Status *XPackWatcherAckWatchStatus `json:"status"`
  }
  
  // XPackWatcherAckWatchStatus is the status of a XPackWatcherAckWatchResponse.
  type XPackWatcherAckWatchStatus struct {
  	State            map[string]interface{}            `json:"state"`
  	LastChecked      string                            `json:"last_checked"`
  	LastMetCondition string                            `json:"last_met_condition"`
  	Actions          map[string]map[string]interface{} `json:"actions"`
  	ExecutionState   string                            `json:"execution_state"`
  	Version          int                               `json:"version"`
  }
  