diff --git a/framework/aidl-export/android/net/NetworkScore.aidl b/framework/aidl-export/android/net/NetworkScore.aidl
new file mode 100644
index 0000000..af12dcf
--- /dev/null
+++ b/framework/aidl-export/android/net/NetworkScore.aidl
@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) 2021, 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.net;
+
+parcelable NetworkScore;
+
diff --git a/framework/api/current.txt b/framework/api/current.txt
index f22d4b7..e415e01 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -291,6 +291,7 @@
     ctor public NetworkCapabilities();
     ctor public NetworkCapabilities(android.net.NetworkCapabilities);
     method public int describeContents();
+    method @NonNull public int[] getCapabilities();
     method public int getLinkDownstreamBandwidthKbps();
     method public int getLinkUpstreamBandwidthKbps();
     method @Nullable public android.net.NetworkSpecifier getNetworkSpecifier();
diff --git a/framework/api/module-lib-current.txt b/framework/api/module-lib-current.txt
index 37312fa..8629c19 100644
--- a/framework/api/module-lib-current.txt
+++ b/framework/api/module-lib-current.txt
@@ -37,18 +37,9 @@
   }
 
   public final class NetworkCapabilities implements android.os.Parcelable {
-    method @Nullable public java.util.Set<android.util.Range<java.lang.Integer>> getUids();
     field public static final int TRANSPORT_TEST = 7; // 0x7
   }
 
-  public static final class NetworkCapabilities.Builder {
-    method @NonNull public android.net.NetworkCapabilities.Builder setUids(@Nullable java.util.Set<android.util.Range<java.lang.Integer>>);
-  }
-
-  public static class NetworkRequest.Builder {
-    method @NonNull public android.net.NetworkRequest.Builder setUids(@Nullable java.util.Set<android.util.Range<java.lang.Integer>>);
-  }
-
   public class ParseException extends java.lang.RuntimeException {
     ctor public ParseException(@NonNull String);
     ctor public ParseException(@NonNull String, @NonNull Throwable);
diff --git a/framework/api/system-current.txt b/framework/api/system-current.txt
index 031bb91..8845225 100644
--- a/framework/api/system-current.txt
+++ b/framework/api/system-current.txt
@@ -18,7 +18,7 @@
     method public long getRefreshTimeMillis();
     method @Nullable public android.net.Uri getUserPortalUrl();
     method public int getUserPortalUrlSource();
-    method @Nullable public String getVenueFriendlyName();
+    method @Nullable public CharSequence getVenueFriendlyName();
     method @Nullable public android.net.Uri getVenueInfoUrl();
     method public int getVenueInfoUrlSource();
     method public boolean isCaptive();
@@ -40,7 +40,7 @@
     method @NonNull public android.net.CaptivePortalData.Builder setSessionExtendable(boolean);
     method @NonNull public android.net.CaptivePortalData.Builder setUserPortalUrl(@Nullable android.net.Uri);
     method @NonNull public android.net.CaptivePortalData.Builder setUserPortalUrl(@Nullable android.net.Uri, int);
-    method @NonNull public android.net.CaptivePortalData.Builder setVenueFriendlyName(@Nullable String);
+    method @NonNull public android.net.CaptivePortalData.Builder setVenueFriendlyName(@Nullable CharSequence);
     method @NonNull public android.net.CaptivePortalData.Builder setVenueInfoUrl(@Nullable android.net.Uri);
     method @NonNull public android.net.CaptivePortalData.Builder setVenueInfoUrl(@Nullable android.net.Uri, int);
   }
diff --git a/framework/src/android/net/CaptivePortalData.java b/framework/src/android/net/CaptivePortalData.java
index eafda4d..82dbd0f 100644
--- a/framework/src/android/net/CaptivePortalData.java
+++ b/framework/src/android/net/CaptivePortalData.java
@@ -42,7 +42,7 @@
     private final long mByteLimit;
     private final long mExpiryTimeMillis;
     private final boolean mCaptive;
-    private final String mVenueFriendlyName;
+    private final CharSequence mVenueFriendlyName;
     private final int mVenueInfoUrlSource;
     private final int mUserPortalUrlSource;
 
@@ -65,7 +65,7 @@
 
     private CaptivePortalData(long refreshTimeMillis, Uri userPortalUrl, Uri venueInfoUrl,
             boolean isSessionExtendable, long byteLimit, long expiryTimeMillis, boolean captive,
-            String venueFriendlyName, int venueInfoUrlSource, int userPortalUrlSource) {
+            CharSequence venueFriendlyName, int venueInfoUrlSource, int userPortalUrlSource) {
         mRefreshTimeMillis = refreshTimeMillis;
         mUserPortalUrl = userPortalUrl;
         mVenueInfoUrl = venueInfoUrl;
@@ -80,7 +80,7 @@
 
     private CaptivePortalData(Parcel p) {
         this(p.readLong(), p.readParcelable(null), p.readParcelable(null), p.readBoolean(),
-                p.readLong(), p.readLong(), p.readBoolean(), p.readString(), p.readInt(),
+                p.readLong(), p.readLong(), p.readBoolean(), p.readCharSequence(), p.readInt(),
                 p.readInt());
     }
 
@@ -98,7 +98,7 @@
         dest.writeLong(mByteLimit);
         dest.writeLong(mExpiryTimeMillis);
         dest.writeBoolean(mCaptive);
-        dest.writeString(mVenueFriendlyName);
+        dest.writeCharSequence(mVenueFriendlyName);
         dest.writeInt(mVenueInfoUrlSource);
         dest.writeInt(mUserPortalUrlSource);
     }
@@ -114,7 +114,7 @@
         private long mBytesRemaining = -1;
         private long mExpiryTime = -1;
         private boolean mCaptive;
-        private String mVenueFriendlyName;
+        private CharSequence mVenueFriendlyName;
         private @CaptivePortalDataSource int mVenueInfoUrlSource = CAPTIVE_PORTAL_DATA_SOURCE_OTHER;
         private @CaptivePortalDataSource int mUserPortalUrlSource =
                 CAPTIVE_PORTAL_DATA_SOURCE_OTHER;
@@ -228,7 +228,7 @@
          * Set the venue friendly name.
          */
         @NonNull
-        public Builder setVenueFriendlyName(@Nullable String venueFriendlyName) {
+        public Builder setVenueFriendlyName(@Nullable CharSequence venueFriendlyName) {
             mVenueFriendlyName = venueFriendlyName;
             return this;
         }
@@ -321,7 +321,7 @@
      * Get the venue friendly name
      */
     @Nullable
-    public String getVenueFriendlyName() {
+    public CharSequence getVenueFriendlyName() {
         return mVenueFriendlyName;
     }
 
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index fe05f3a..e326223 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -4669,7 +4669,7 @@
                 Log.e(TAG, "Can't set proxy properties", e);
             }
             // Must flush DNS cache as new network may have different DNS resolutions.
-            InetAddress.clearDnsCache();
+            InetAddressCompat.clearDnsCache();
             // Must flush socket pool as idle sockets will be bound to previous network and may
             // cause subsequent fetches to be performed on old network.
             NetworkEventDispatcher.getInstance().onNetworkConfigurationChanged();
diff --git a/framework/src/android/net/IOnCompleteListener.aidl b/framework/src/android/net/IOnCompleteListener.aidl
new file mode 100644
index 0000000..4bb89f6
--- /dev/null
+++ b/framework/src/android/net/IOnCompleteListener.aidl
@@ -0,0 +1,23 @@
+/**
+ *
+ * Copyright (C) 2021 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.net;
+
+/** @hide */
+oneway interface IOnCompleteListener {
+    void onComplete();
+}
diff --git a/framework/src/android/net/InetAddressCompat.java b/framework/src/android/net/InetAddressCompat.java
new file mode 100644
index 0000000..8404441
--- /dev/null
+++ b/framework/src/android/net/InetAddressCompat.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2021 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.net;
+
+import android.util.Log;
+
+import java.lang.reflect.InvocationTargetException;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * Compatibility utility for InetAddress core platform APIs.
+ *
+ * Connectivity has access to such APIs, but they are not part of the module_current stubs yet
+ * (only core_current). Most stable core platform APIs are included manually in the connectivity
+ * build rules, but because InetAddress is also part of the base java SDK that is earlier on the
+ * classpath, the extra core platform APIs are not seen.
+ *
+ * TODO (b/183097033): remove this utility as soon as core_current is part of module_current
+ * @hide
+ */
+public class InetAddressCompat {
+
+    /**
+     * @see InetAddress#clearDnsCache()
+     */
+    public static void clearDnsCache() {
+        try {
+            InetAddress.class.getMethod("clearDnsCache").invoke(null);
+        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
+            Log.wtf(InetAddressCompat.class.getSimpleName(), "Error clearing DNS cache", e);
+        }
+    }
+
+    /**
+     * @see InetAddress#getAllByNameOnNet(String, int)
+     */
+    public static InetAddress[] getAllByNameOnNet(String host, int netId) throws
+            UnknownHostException {
+        try {
+            return (InetAddress[]) InetAddress.class.getMethod("getAllByNameOnNet",
+                    String.class, int.class).invoke(null, host, netId);
+        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
+            Log.wtf(InetAddressCompat.class.getSimpleName(), "Error calling getAllByNameOnNet", e);
+            throw new IllegalStateException("Error querying via getAllNameOnNet", e);
+        }
+    }
+
+    /**
+     * @see InetAddress#getByNameOnNet(String, int)
+     */
+    public static InetAddress getByNameOnNet(String host, int netId) throws
+            UnknownHostException {
+        try {
+            return (InetAddress) InetAddress.class.getMethod("getByNameOnNet",
+                    String.class, int.class).invoke(null, host, netId);
+        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
+            Log.wtf(InetAddressCompat.class.getSimpleName(), "Error calling getAllByNameOnNet", e);
+            throw new IllegalStateException("Error querying via getByNameOnNet", e);
+        }
+    }
+}
diff --git a/framework/src/android/net/Network.java b/framework/src/android/net/Network.java
index 7245db3..0741414 100644
--- a/framework/src/android/net/Network.java
+++ b/framework/src/android/net/Network.java
@@ -142,7 +142,7 @@
      * @throws UnknownHostException if the address lookup fails.
      */
     public InetAddress[] getAllByName(String host) throws UnknownHostException {
-        return InetAddress.getAllByNameOnNet(host, getNetIdForResolv());
+        return InetAddressCompat.getAllByNameOnNet(host, getNetIdForResolv());
     }
 
     /**
@@ -155,7 +155,7 @@
      *             if the address lookup fails.
      */
     public InetAddress getByName(String host) throws UnknownHostException {
-        return InetAddress.getByNameOnNet(host, getNetIdForResolv());
+        return InetAddressCompat.getByNameOnNet(host, getNetIdForResolv());
     }
 
     /**
diff --git a/framework/src/android/net/NetworkAgentConfig.java b/framework/src/android/net/NetworkAgentConfig.java
index 664c265..5e50a64 100644
--- a/framework/src/android/net/NetworkAgentConfig.java
+++ b/framework/src/android/net/NetworkAgentConfig.java
@@ -50,7 +50,8 @@
      * ap in the wifi settings to trigger a connection is explicit.  A 3rd party app asking to
      * connect to a particular access point is also explicit, though this may change in the future
      * as we want apps to use the multinetwork apis.
-     *
+     * TODO : this is a bad name, because it sounds like the user just tapped on the network.
+     * It's not necessarily the case ; auto-reconnection to WiFi has this true for example.
      * @hide
      */
     public boolean explicitlySelected;
diff --git a/framework/src/android/net/NetworkCapabilities.java b/framework/src/android/net/NetworkCapabilities.java
index 182bc71..5ec7aa1 100644
--- a/framework/src/android/net/NetworkCapabilities.java
+++ b/framework/src/android/net/NetworkCapabilities.java
@@ -22,7 +22,6 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
-import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.net.ConnectivityManager.NetworkCallback;
@@ -33,7 +32,6 @@
 import android.os.Process;
 import android.text.TextUtils;
 import android.util.ArraySet;
-import android.util.Range;
 import android.util.proto.ProtoOutputStream;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -155,7 +153,7 @@
             setTransportInfo(null);
         }
         mSignalStrength = nc.mSignalStrength;
-        mUids = (nc.mUids == null) ? null : new ArraySet<>(nc.mUids);
+        setUids(nc.mUids); // Will make the defensive copy
         setAdministratorUids(nc.getAdministratorUids());
         mOwnerUid = nc.mOwnerUid;
         mUnwantedNetworkCapabilities = nc.mUnwantedNetworkCapabilities;
@@ -611,10 +609,8 @@
      * Gets all the capabilities set on this {@code NetworkCapability} instance.
      *
      * @return an array of capability values for this instance.
-     * @hide
      */
-    @UnsupportedAppUsage
-    public @NetCapability int[] getCapabilities() {
+    public @NonNull @NetCapability int[] getCapabilities() {
         return NetworkCapabilitiesUtils.unpackBits(mNetworkCapabilities);
     }
 
@@ -1460,8 +1456,9 @@
      * @hide
      */
     public @NonNull NetworkCapabilities setSingleUid(int uid) {
-        mUids = new ArraySet<>(1);
-        mUids.add(new UidRange(uid, uid));
+        final ArraySet<UidRange> identity = new ArraySet<>(1);
+        identity.add(new UidRange(uid, uid));
+        setUids(identity);
         return this;
     }
 
@@ -1470,34 +1467,22 @@
      * This makes a copy of the set so that callers can't modify it after the call.
      * @hide
      */
-    public @NonNull NetworkCapabilities setUids(@Nullable Set<Range<Integer>> uids) {
-        mUids = UidRange.fromIntRanges(uids);
+    public @NonNull NetworkCapabilities setUids(Set<UidRange> uids) {
+        if (null == uids) {
+            mUids = null;
+        } else {
+            mUids = new ArraySet<>(uids);
+        }
         return this;
     }
 
     /**
      * Get the list of UIDs this network applies to.
      * This returns a copy of the set so that callers can't modify the original object.
-     *
-     * @return the list of UIDs this network applies to. If {@code null}, then the network applies
-     *         to all UIDs.
      * @hide
      */
-    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-    @SuppressLint("NullableCollection")
-    public @Nullable Set<Range<Integer>> getUids() {
-        return UidRange.toIntRanges(mUids);
-    }
-
-    /**
-     * Get the list of UIDs this network applies to.
-     * This returns a copy of the set so that callers can't modify the original object.
-     * @hide
-     */
-    public @Nullable Set<UidRange> getUidRanges() {
-        if (mUids == null) return null;
-
-        return new ArraySet<>(mUids);
+    public @Nullable Set<UidRange> getUids() {
+        return null == mUids ? null : new ArraySet<>(mUids);
     }
 
     /**
@@ -2668,21 +2653,6 @@
         }
 
         /**
-         * Set the list of UIDs this network applies to.
-         *
-         * @param uids the list of UIDs this network applies to, or {@code null} if this network
-         *             applies to all UIDs.
-         * @return this builder
-         * @hide
-         */
-        @NonNull
-        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-        public Builder setUids(@Nullable Set<Range<Integer>> uids) {
-            mCaps.setUids(uids);
-            return this;
-        }
-
-        /**
          * Builds the instance of the capabilities.
          *
          * @return the built instance of NetworkCapabilities.
diff --git a/framework/src/android/net/NetworkRequest.java b/framework/src/android/net/NetworkRequest.java
index cf131f0..dbe3ecc 100644
--- a/framework/src/android/net/NetworkRequest.java
+++ b/framework/src/android/net/NetworkRequest.java
@@ -36,7 +36,6 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
-import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.net.NetworkCapabilities.NetCapability;
@@ -46,7 +45,6 @@
 import android.os.Parcelable;
 import android.os.Process;
 import android.text.TextUtils;
-import android.util.Range;
 import android.util.proto.ProtoOutputStream;
 
 import java.util.Arrays;
@@ -279,14 +277,11 @@
          * Set the watched UIDs for this request. This will be reset and wiped out unless
          * the calling app holds the CHANGE_NETWORK_STATE permission.
          *
-         * @param uids The watched UIDs as a set of {@code Range<Integer>}, or null for everything.
+         * @param uids The watched UIDs as a set of UidRanges, or null for everything.
          * @return The builder to facilitate chaining.
          * @hide
          */
-        @NonNull
-        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-        @SuppressLint("MissingGetterMatchingBuilder")
-        public Builder setUids(@Nullable Set<Range<Integer>> uids) {
+        public Builder setUids(Set<UidRange> uids) {
             mNetworkCapabilities.setUids(uids);
             return this;
         }
diff --git a/framework/src/android/net/NetworkScore.java b/framework/src/android/net/NetworkScore.java
new file mode 100644
index 0000000..eadcb2d
--- /dev/null
+++ b/framework/src/android/net/NetworkScore.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2021 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.net;
+
+import android.annotation.NonNull;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import com.android.internal.annotations.VisibleForTesting;
+
+/**
+ * Object representing the quality of a network as perceived by the user.
+ *
+ * A NetworkScore object represents the characteristics of a network that affects how good the
+ * network is considered for a particular use.
+ * @hide
+ */
+// TODO : @SystemApi when the implementation is complete
+public final class NetworkScore implements Parcelable {
+    // This will be removed soon. Do *NOT* depend on it for any new code that is not part of
+    // a migration.
+    private final int mLegacyInt;
+
+    // Agent-managed policies
+    // TODO : add them here, starting from 1
+    /** @hide */
+    public static final int MIN_AGENT_MANAGED_POLICY = 0;
+    /** @hide */
+    public static final int MAX_AGENT_MANAGED_POLICY = -1;
+
+    // Bitmask of all the policies applied to this score.
+    private final long mPolicies;
+
+    /** @hide */
+    NetworkScore(final int legacyInt, final long policies) {
+        mLegacyInt = legacyInt;
+        mPolicies = policies;
+    }
+
+    private NetworkScore(@NonNull final Parcel in) {
+        mLegacyInt = in.readInt();
+        mPolicies = in.readLong();
+    }
+
+    public int getLegacyInt() {
+        return mLegacyInt;
+    }
+
+    /**
+     * @return whether this score has a particular policy.
+     */
+    @VisibleForTesting
+    public boolean hasPolicy(final int policy) {
+        return 0 != (mPolicies & (1L << policy));
+    }
+
+    @Override
+    public String toString() {
+        return "Score(" + mLegacyInt + ")";
+    }
+
+    @Override
+    public void writeToParcel(@NonNull final Parcel dest, final int flags) {
+        dest.writeInt(mLegacyInt);
+        dest.writeLong(mPolicies);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @NonNull public static final Creator<NetworkScore> CREATOR = new Creator<>() {
+        @Override
+        @NonNull
+        public NetworkScore createFromParcel(@NonNull final Parcel in) {
+            return new NetworkScore(in);
+        }
+
+        @Override
+        @NonNull
+        public NetworkScore[] newArray(int size) {
+            return new NetworkScore[size];
+        }
+    };
+
+    /**
+     * A builder for NetworkScore.
+     */
+    public static final class Builder {
+        private static final long POLICY_NONE = 0L;
+        private static final int INVALID_LEGACY_INT = Integer.MIN_VALUE;
+        private int mLegacyInt = INVALID_LEGACY_INT;
+
+        /**
+         * Sets the legacy int for this score.
+         *
+         * Do not rely on this. It will be gone by the time S is released.
+         *
+         * @param score the legacy int
+         * @return this
+         */
+        @NonNull
+        public Builder setLegacyInt(final int score) {
+            mLegacyInt = score;
+            return this;
+        }
+
+        /**
+         * Builds this NetworkScore.
+         * @return The built NetworkScore object.
+         */
+        @NonNull
+        public NetworkScore build() {
+            return new NetworkScore(mLegacyInt, POLICY_NONE);
+        }
+    }
+}
diff --git a/framework/src/android/net/UidRange.java b/framework/src/android/net/UidRange.java
index bc67c74..26518d3 100644
--- a/framework/src/android/net/UidRange.java
+++ b/framework/src/android/net/UidRange.java
@@ -20,11 +20,8 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.os.UserHandle;
-import android.util.ArraySet;
-import android.util.Range;
 
 import java.util.Collection;
-import java.util.Set;
 
 /**
  * An inclusive range of UIDs.
@@ -152,32 +149,4 @@
         }
         return false;
     }
-
-    /**
-     *  Convert a set of {@code Range<Integer>} to a set of {@link UidRange}.
-     */
-    @Nullable
-    public static ArraySet<UidRange> fromIntRanges(@Nullable Set<Range<Integer>> ranges) {
-        if (null == ranges) return null;
-
-        final ArraySet<UidRange> uids = new ArraySet<>();
-        for (Range<Integer> range : ranges) {
-            uids.add(new UidRange(range.getLower(), range.getUpper()));
-        }
-        return uids;
-    }
-
-    /**
-     *  Convert a set of {@link UidRange} to a set of {@code Range<Integer>}.
-     */
-    @Nullable
-    public static ArraySet<Range<Integer>> toIntRanges(@Nullable Set<UidRange> ranges) {
-        if (null == ranges) return null;
-
-        final ArraySet<Range<Integer>> uids = new ArraySet<>();
-        for (UidRange range : ranges) {
-            uids.add(new Range<Integer>(range.start, range.stop));
-        }
-        return uids;
-    }
 }