[Docs] Minor fix for SubmitAsyncSearchRequest.keepOnCompletion javadoc (#54325)

The semantics and the default value for this parameter have changed, adapting
the javadoc accordingly.

Author: Christoph Büscher

client/rest-high-level/src/main/java/org/elasticsearch/client/asyncsearch/SubmitAsyncSearchRequest.java

@@ -77,14 +77,14 @@ public void setWaitForCompletionTimeout(TimeValue waitForCompletionTimeout) {
     }
 
     /**
-     * Returns whether the resource resource should be removed on completion or failure (defaults to true).
+     * Returns whether the resource resource should be kept on completion or failure (defaults to false).
      */
     public Boolean isKeepOnCompletion() {
         return keepOnCompletion;
     }
 
     /**
-     * Determines if the resource should be removed on completion or failure (defaults to true).
+     * Determines if the resource should be kept on completion or failure (defaults to false).
      */
     public void setKeepOnCompletion(boolean keepOnCompletion) {
         this.keepOnCompletion = keepOnCompletion;

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/search/action/SubmitAsyncSearchRequest.java

@@ -113,7 +113,7 @@ public SearchRequest getSearchRequest() {
     }
 
     /**
-     * Should the resource be removed on completion or failure (defaults to true).
+     * Should the resource be kept on completion or failure (defaults to false).
      */
     public SubmitAsyncSearchRequest setKeepOnCompletion(boolean value) {
         this.keepOnCompletion = value;
@@ -162,8 +162,12 @@ public boolean shouldCancelChildrenOnCancellation() {
 
     @Override
     public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
         SubmitAsyncSearchRequest request1 = (SubmitAsyncSearchRequest) o;
         return keepOnCompletion == request1.keepOnCompletion &&
             waitForCompletionTimeout.equals(request1.waitForCompletionTimeout) &&