diff --git a/lucene/monitor/src/java/org/apache/lucene/monitor/DocumentBatch.java b/lucene/monitor/src/java/org/apache/lucene/monitor/DocumentBatch.java
index 2bf0dc886b3..da3fc025dae 100644
--- a/lucene/monitor/src/java/org/apache/lucene/monitor/DocumentBatch.java
+++ b/lucene/monitor/src/java/org/apache/lucene/monitor/DocumentBatch.java
@@ -33,7 +33,8 @@
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.IOUtils;
 
-abstract class DocumentBatch implements Closeable, Supplier<LeafReader> {
+/** Abstraction for a DocumentBatch containing a single or a set of documents. */
+public abstract class DocumentBatch implements Closeable, Supplier<LeafReader> {
 
   /**
    * Create a DocumentBatch containing a single InputDocument