diff --git a/search.go b/search.go
index 0a08b4b..c2250ab 100644
--- a/search.go
+++ b/search.go
@@ -27,6 +27,7 @@ type SearchRequest struct {
 	source      Source
 	timeout     *time.Duration
 	collapse    map[string]interface{}
+
 }
 
 // Search creates a new SearchRequest object, to be filled via method chaining.
@@ -84,6 +85,7 @@ func (req *SearchRequest) Collapse(field string) *SearchRequest {
 	return req
 }
 
+
 // SearchAfter retrieve the sorted result
 func (req *SearchRequest) SearchAfter(s ...interface{}) *SearchRequest {
 	req.searchAfter = append(req.searchAfter, s...)