[bug-66173] add new XSSFSheet createSplitPane method to avoid bug in existing method

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1902879 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/poi/src/main/java/org/apache/poi/ss/usermodel/PaneType.java b/poi/src/main/java/org/apache/poi/ss/usermodel/PaneType.java
index d39e4b6..899079c 100644
--- a/poi/src/main/java/org/apache/poi/ss/usermodel/PaneType.java
+++ b/poi/src/main/java/org/apache/poi/ss/usermodel/PaneType.java
@@ -18,7 +18,7 @@
 
 /**
  * Type of pane used in sheet.
- * @since POI 3.15 beta 3
+ * @since POI 5.2.3
  */
 public enum PaneType {
     LOWER_RIGHT, UPPER_RIGHT, LOWER_LEFT, UPPER_LEFT