--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/PackageSummaryWriter.java	Tue Apr 23 07:05:38 2019 -0400
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/PackageSummaryWriter.java	Tue Apr 23 18:28:48 2019 +0530
@@ -163,4 +163,11 @@
      */
     public abstract void printDocument(Content contentTree) throws DocFileIOException;
 
+    /**
+     * Gets the package summary tree.
+     * @param summaryContentTree the content tree representing the package summary
+     * @return a content tree for the package summary
+     */
+    public abstract Content getPackageSummary(Content summaryContentTree);
+
 }