util: Extract non-Android utility interfaces

As part of a refactoring that will likely introduce more custom
collection classes, move the non-Android-specific parts outside the
com.wireguard.android package.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 0 insertions, 29 deletions

diff --git a/app/src/main/java/com/wireguard/android/util/KeyedList.java b/app/src/main/java/com/wireguard/android/util/KeyedList.java
deleted file mode 100644
index 9518758e..00000000
--- a/app/src/main/java/com/wireguard/android/util/KeyedList.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright © 2018 Samuel Holland <samuel@sholland.org>
- * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-package com.wireguard.android.util;
-
-import java.util.Collection;
-import java.util.List;
-
-/**
- * A list containing elements that can be looked up by key. A {@code KeyedList} cannot contain
- * {@code null} elements.
- */
-
-public interface KeyedList<K, E extends Keyed<? extends K>> extends List<E> {
-    boolean containsAllKeys(Collection<K> keys);
-
-    boolean containsKey(K key);
-
-    E get(K key);
-
-    E getLast(K key);
-
-    int indexOfKey(K key);
-
-    int lastIndexOfKey(K key);
-}