diff --git a/ReactAndroid/src/main/java/com/facebook/react/bridge/JavaOnlyArray.java b/ReactAndroid/src/main/java/com/facebook/react/bridge/JavaOnlyArray.java
index cdabc82b9..dc06b6a83 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/bridge/JavaOnlyArray.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/bridge/JavaOnlyArray.java
@@ -150,6 +150,11 @@ public class JavaOnlyArray implements ReadableArray, WritableArray {
     mBackingList.add(null);
   }
 
+  @Override
+  public ArrayList<Object> toArrayList() {
+    return new ArrayList<Object>(mBackingList);
+  }
+
   @Override
   public String toString() {
     return mBackingList.toString();
diff --git a/ReactAndroid/src/main/java/com/facebook/react/bridge/JavaOnlyMap.java b/ReactAndroid/src/main/java/com/facebook/react/bridge/JavaOnlyMap.java
index d5d953ba2..35f90cb9b 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/bridge/JavaOnlyMap.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/bridge/JavaOnlyMap.java
@@ -173,6 +173,11 @@ public class JavaOnlyMap implements ReadableMap, WritableMap {
     mBackingMap.put(key, value);
   }
 
+  @Override
+  public HashMap<String, Object> toHashMap() {
+    return new HashMap<String, Object>(mBackingMap);
+  }
+
   @Override
   public String toString() {
     return mBackingMap.toString();
diff --git a/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableArray.java b/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableArray.java
index bcaa03eb2..01c9e34a1 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableArray.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableArray.java
@@ -9,6 +9,8 @@
 
 package com.facebook.react.bridge;
 
+import java.util.ArrayList;
+
 /**
  * Interface for an array that allows typed access to its members. Used to pass parameters from JS
  * to Java.
@@ -25,4 +27,6 @@ public interface ReadableArray {
   ReadableMap getMap(int index);
   Dynamic getDynamic(int index);
   ReadableType getType(int index);
+  ArrayList<Object> toArrayList();
+
 }
diff --git a/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableMap.java b/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableMap.java
index f81e9ae0f..f03504188 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableMap.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableMap.java
@@ -9,6 +9,8 @@
 
 package com.facebook.react.bridge;
 
+import java.util.HashMap;
+
 /**
  * Interface for a map that allows typed access to its members. Used to pass parameters from JS to
  * Java.
@@ -26,4 +28,6 @@ public interface ReadableMap {
   Dynamic getDynamic(String name);
   ReadableType getType(String name);
   ReadableMapKeySetIterator keySetIterator();
+  HashMap<String, Object> toHashMap();
+
 }
diff --git a/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableNativeArray.java b/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableNativeArray.java
index 2fa8aa3a2..6f799f2d0 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableNativeArray.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableNativeArray.java
@@ -52,6 +52,7 @@ public class ReadableNativeArray extends NativeArray implements ReadableArray {
     return DynamicFromArray.create(this, index);
   }
 
+  @Override
   public ArrayList<Object> toArrayList() {
     ArrayList<Object> arrayList = new ArrayList<>();
 
diff --git a/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableNativeMap.java b/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableNativeMap.java
index 1eeaa07e3..b7b73b34b 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableNativeMap.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableNativeMap.java
@@ -57,6 +57,7 @@ public class ReadableNativeMap extends NativeMap implements ReadableMap {
     return new ReadableNativeMapKeySetIterator(this);
   }
 
+  @Override
   public HashMap<String, Object> toHashMap() {
     ReadableMapKeySetIterator iterator = keySetIterator();
     HashMap<String, Object> hashMap = new HashMap<>();