static <E> Queue<E> discardingQueue() {
    return (Queue) DISCARDING_QUEUE;
  }

  /*
   * Note: All of this duplicate code sucks, but it saves a lot of memory. If only Java had mixins!
   * To maintain this code, make a change for the strong reference type. Then, cut and paste, and
   * replace "Strong" with "Soft" or "Weak" within the pasted text. The primary difference is that

    // All futures are now complete; outstanding inputs are cancelled
    assertTrue(future3.isCancelled());
    assertTrue(future3.wasInterrupted());
  }

  @AndroidIncompatible // runs out of memory under some versions of the emulator
  public void testCancellingAllDelegatesIsNotQuadratic() throws Exception {
    ImmutableList.Builder<SettableFuture<Long>> builder = ImmutableList.builder();

    // All futures are now complete; outstanding inputs are cancelled
    assertTrue(future3.isCancelled());
    assertTrue(future3.wasInterrupted());
  }

  @AndroidIncompatible // runs out of memory under some versions of the emulator
  public void testCancellingAllDelegatesIsNotQuadratic() throws Exception {
    ImmutableList.Builder<SettableFuture<Long>> builder = ImmutableList.builder();

  static <E> Queue<E> discardingQueue() {
    return (Queue) DISCARDING_QUEUE;
  }

  /*
   * Note: All of this duplicate code sucks, but it saves a lot of memory. If only Java had mixins!
   * To maintain this code, make a change for the strong reference type. Then, cut and paste, and
   * replace "Strong" with "Soft" or "Weak" within the pasted text. The primary difference is that