diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 0f8f873b6847b..6729307da4850 100755
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -2804,6 +2804,48 @@ public class CarrierConfigManager {
             "key_is_opportunistic_subscription_bool";
 
 
+    /**
+     * Passing this value as {@link KEY_SUBSCRIPTION_GROUP_UUID_STRING} will remove the
+     * subscription from a group instead of adding it to a group.
+     *
+     * TODO: Expose in a future release.
+     *
+     * @hide
+     */
+    public static final String REMOVE_GROUP_UUID_STRING = "00000000-0000-0000-0000-000000000000";
+
+    /**
+     * The UUID of a Group of related subscriptions in which to place the current subscription.
+     *
+     * A grouped subscription will behave for billing purposes and other UI purposes as though it
+     * is a transparent extension of other subscriptions in the group.
+     *
+     * <p>If set to {@link #REMOVE_GROUP_UUID_STRING}, then the subscription will be removed from
+     * its current group.
+     *
+     * TODO: unhide this key.
+     *
+     * @hide
+     */
+    public static final String KEY_SUBSCRIPTION_GROUP_UUID_STRING =
+            "key_subscription_group_uuid_string";
+
+    /**
+    * A boolean property indicating whether this subscription should be managed as an opportunistic
+    * subscription.
+    *
+    * If true, then this subscription will be selected based on available coverage and will not be
+    * available for a user in settings menus for selecting macro network providers. If unset,
+    * defaults to “false”.
+    *
+    * TODO: unhide this key.
+    *
+    * @hide
+    */
+    public static final String KEY_IS_OPPORTUNISTIC_SUBSCRIPTION_BOOL =
+            "key_is_opportunistic_subscription_bool";
+
+
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;