diff --git a/android-34/android/ondevicepersonalization/MutableMap.java b/android-34/android/ondevicepersonalization/MutableMap.java
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+++ b/android-34/android/ondevicepersonalization/MutableMap.java
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+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.ondevicepersonalization;
+
+import android.annotation.NonNull;
+
+/**
+ * Data Access Object for the LOCAL_DATA table. The LOCAL_DATA table is a mutable
+ * data store that contains data that has been stored locally by the vendor.
+ *
+ * @hide
+ */
+public interface MutableMap extends ImmutableMap {
+    /**
+     * Associates the specified value with the specified key in LOCAL_DATA.
+     * If LOCAL_DATA previously contained a mapping for the key, the old value is replaced.
+     *
+     * @param key key with which the specified value is to be associated
+     * @param value value to be associated with the specified key
+     *
+     * @return the previous value associated with key, or null if there was no mapping for key.
+     */
+    byte[] put(@NonNull String key, @NonNull byte[] value) throws OnDevicePersonalizationException;
+
+    /**
+     * Removes the mapping for the specified key from LOCAL_DATA if present.
+     *
+     * @param key key whose mapping is to be removed from the LOCAL_DATA
+     *
+     * @return the previous value associated with key, or null if there was no mapping for key.
+     */
+    byte[] remove(String key) throws OnDevicePersonalizationException;
+}