xyuanlu commented on code in PR #2327:
URL: https://github.com/apache/helix/pull/2327#discussion_r1065225058


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meta-client/src/main/java/org/apache/helix/metaclient/api/MetaClientInterface.java:
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@@ -143,7 +152,7 @@ public int getVersion() {
    * @eturn Return a list of children keys. Return direct child name only for 
hierarchical key
    *        space, return the whole sub key for non-hierarchical key space.
    */
-  List<String> getDirestChildrenKeys(final String key);
+  List<String> getDirectChildrenKeys(final String key);

Review Comment:
   TFTR. We want to keep the possibility that user may want to mimic 
hierarchical key space using a non-hierarchical KV store. (e.g. Helix explored 
the possibility of using etcd). In this case, user will pass a prefix as key 
the `getDirectChildrenKeys` returns all keys matches the prefix.



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