Index: lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsAndPositionsEnum.java
===================================================================
--- lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsAndPositionsEnum.java	(revision 1329644)
+++ lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsAndPositionsEnum.java	(working copy)
@@ -21,6 +21,8 @@
 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;
 
 /**
@@ -51,7 +53,15 @@
   public void setMergeState(MergeState mergeState) {
     this.mergeState = mergeState;
   }
+  
+  public int getNumSubs() {
+    return numSubs;
+  }
 
+  public EnumWithSlice[] getSubs() {
+    return subs;
+  }
+
   @Override
   public int freq() {
     return current.freq();
Index: lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsEnum.java
===================================================================
--- lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsEnum.java	(revision 1329644)
+++ lucene/core/src/java/org/apache/lucene/codecs/MappingMultiDocsEnum.java	(working copy)
@@ -20,6 +20,8 @@
 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;
 
 /**
@@ -50,7 +52,15 @@
   public void setMergeState(MergeState mergeState) {
     this.mergeState = mergeState;
   }
+  
+  public int getNumSubs() {
+    return numSubs;
+  }
 
+  public EnumWithSlice[] getSubs() {
+    return subs;
+  }
+
   @Override
   public int freq() {
     return current.freq();