diff --git a/lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsAndPositionsEnum.java b/lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsAndPositionsEnum.java
index 683b2c30e54..bff0fe6a5d8 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsAndPositionsEnum.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsAndPositionsEnum.java
@@ -21,6 +21,8 @@ import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.index.DocsAndPositionsEnum;
 import org.apache.lucene.index.MergeState;
 import org.apache.lucene.index.MultiDocsAndPositionsEnum;
+import org.apache.lucene.index.MultiDocsAndPositionsEnum.EnumWithSlice;
+
 import java.io.IOException;
 
 /**
@@ -51,6 +53,14 @@ public final class MappingMultiDocsAndPositionsEnum extends DocsAndPositionsEnum
   public void setMergeState(MergeState mergeState) {
     this.mergeState = mergeState;
   }
+  
+  public int getNumSubs() {
+    return numSubs;
+  }
+
+  public EnumWithSlice[] getSubs() {
+    return subs;
+  }
 
   @Override
   public int freq() throws IOException {
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsEnum.java b/lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsEnum.java
index 8a9bb79525b..a94a0c6d20a 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsEnum.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsEnum.java
@@ -20,6 +20,8 @@ package org.apache.lucene.codecs;
 import org.apache.lucene.index.DocsEnum;
 import org.apache.lucene.index.MergeState;
 import org.apache.lucene.index.MultiDocsEnum;
+import org.apache.lucene.index.MultiDocsEnum.EnumWithSlice;
+
 import java.io.IOException;
 
 /**
@@ -50,6 +52,14 @@ public final class MappingMultiDocsEnum extends DocsEnum {
   public void setMergeState(MergeState mergeState) {
     this.mergeState = mergeState;
   }
+  
+  public int getNumSubs() {
+    return numSubs;
+  }
+
+  public EnumWithSlice[] getSubs() {
+    return subs;
+  }
 
   @Override
   public int freq() throws IOException {