hunk.code_window: 	if s.RequestTimeoutSeconds == nil {
   		s.RequestTimeoutSeconds = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_REQUEST_TIMEOUT_SECONDS)
   	}
   }
   type DataRetentionSettings struct {
   	EnableMessageDeletion *bool
  
hunk.labels: keep keep add keep keep keep keep
hunk.after_edit: 	if s.Trace == nil {
   		s.Trace = NewBool(false)
   	}
  
hunk.file_path: model/config.go
hunk.type: add
file: // Copyright 2012-present 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/url"
  	"strings"
  
  	"gopkg.in/olivere/elastic.v5/uritemplates"
  )
  
  // SuggestService returns suggestions for text.
  // See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/search-suggesters.html.
  type SuggestService struct {
  	client     *Client
  	pretty     bool
  	routing    string
  	preference string
  	index      []string
  	suggesters []Suggester
  }
  
  // NewSuggestService creates a new instance of SuggestService.
  func NewSuggestService(client *Client) *SuggestService {
  	builder := &SuggestService{
  		client: client,
  	}
  	return builder
  }
  
  // Index adds one or more indices to use for the suggestion request.
  func (s *SuggestService) Index(index ...string) *SuggestService {
  	s.index = append(s.index, index...)
  	return s
  }
  
  // Pretty asks Elasticsearch to return indented JSON.
  func (s *SuggestService) Pretty(pretty bool) *SuggestService {
  	s.pretty = pretty
  	return s
  }
  
  // Routing specifies the routing value.
  func (s *SuggestService) Routing(routing string) *SuggestService {
  	s.routing = routing
  	return s
  }
  
  // Preference specifies the node or shard the operation should be
  // performed on (default: random).
  func (s *SuggestService) Preference(preference string) *SuggestService {
  	s.preference = preference
  	return s
  }
  
  // Suggester adds a suggester to the request.
  func (s *SuggestService) Suggester(suggester Suggester) *SuggestService {
  	s.suggesters = append(s.suggesters, suggester)
  	return s
  }
  
  // buildURL builds the URL for the operation.
  func (s *SuggestService) buildURL() (string, url.Values, error) {
  	var err error
  	var path string
  
  	if len(s.index) > 0 {
  		path, err = uritemplates.Expand("/{index}/_suggest", map[string]string{
  			"index": strings.Join(s.index, ","),
  		})
  	} else {
  		path = "/_suggest"
  	}
  	if err != nil {
  		return "", url.Values{}, err
  	}
  
  	// Add query string parameters
  	params := url.Values{}
  	if s.pretty {
  		params.Set("pretty", fmt.Sprintf("%v", s.pretty))
  	}
  	if s.routing != "" {
  		params.Set("routing", s.routing)
  	}
  	if s.preference != "" {
  		params.Set("preference", s.preference)
  	}
  	return path, params, nil
  }
  
  // Do executes the request.
  func (s *SuggestService) Do(ctx context.Context) (SuggestResult, error) {
  	path, params, err := s.buildURL()
  	if err != nil {
  		return nil, err
  	}
  
  	// Set body
  	body := make(map[string]interface{})
  	for _, s := range s.suggesters {
  		src, err := s.Source(false)
  		if err != nil {
  			return nil, err
  		}
  		body[s.Name()] = src
  	}
  
  	// Get response
  	res, err := s.client.PerformRequest(ctx, "POST", path, params, body)
  	if err != nil {
  		return nil, err
  	}
  
  	// There is a _shard object that cannot be deserialized.
  	// So we use json.RawMessage instead.
  	var suggestions map[string]*json.RawMessage
  	if err := s.client.decoder.Decode(res.Body, &suggestions); err != nil {
  		return nil, err
  	}
  
  	ret := make(SuggestResult)
  	for name, result := range suggestions {
  		if name != "_shards" {
  			var sug []Suggestion
  			if err := s.client.decoder.Decode(*result, &sug); err != nil {
  				return nil, err
  			}
  			ret[name] = sug
  		}
  	}
  
  	return ret, nil
  }
  
  // SuggestResult is the outcome of SuggestService.Do.
  type SuggestResult map[string][]Suggestion
  
  // Suggestion is a single suggester outcome.
  type Suggestion struct {
  	Text    string             `json:"text"`
  	Offset  int                `json:"offset"`
  	Length  int                `json:"length"`
  	Options []suggestionOption `json:"options"`
  }
  
  type suggestionOption struct {
  	Text         string      `json:"text"`
  	Score        float64     `json:"score"`
  	Freq         int         `json:"freq"`
  	Payload      interface{} `json:"payload"`
  	CollateMatch bool        `json:"collate_match"`
  }
  