diff --git a/dexlib2/src/main/java/org/jf/dexlib2/writer/io/MemoryDataStore.java b/dexlib2/src/main/java/org/jf/dexlib2/writer/io/MemoryDataStore.java
index 84590093..2caf7a33 100644
--- a/dexlib2/src/main/java/org/jf/dexlib2/writer/io/MemoryDataStore.java
+++ b/dexlib2/src/main/java/org/jf/dexlib2/writer/io/MemoryDataStore.java
@@ -26,6 +26,10 @@ public class MemoryDataStore implements DexDataStore {
         return size;
     }
 
+    public byte[] getData() {
+        return Arrays.copyOf(buf, size);
+    }
+
     @Nonnull @Override public OutputStream outputAt(final int offset) {
         return new OutputStream() {
             private int position = offset;