registry.register(o1);

    Iterator<Subscriber> three = registry.getSubscribers("");
    assertEquals(s1, one.next().target);
    assertFalse(one.hasNext());

    assertEquals(s1, three.next().target);
    assertEquals(s2, three.next().target);
    assertEquals(o1, three.next().target);
    assertFalse(three.hasNext());

    three = registry.getSubscribers("");

    registry.unregister(s2);

    original.add("one");
    original.add("two");
    original.add("three");

    EvictingQueue<String> copy = SerializableTester.reserialize(original);
    assertEquals(copy.maxSize, original.maxSize);
    assertEquals("one", copy.remove());
    assertEquals("two", copy.remove());
    assertEquals("three", copy.remove());
    assertTrue(copy.isEmpty());
  }

    registry.register(o1);

    Iterator<Subscriber> three = registry.getSubscribers("");
    assertEquals(s1, one.next().target);
    assertFalse(one.hasNext());

    assertEquals(s1, three.next().target);
    assertEquals(s2, three.next().target);
    assertEquals(o1, three.next().target);
    assertFalse(three.hasNext());

    three = registry.getSubscribers("");

    registry.unregister(s2);

    unfiltered.put("two", 2);
    unfiltered.put("three", 3);
    unfiltered.put("four", 4);
    assertEquals(ImmutableMap.of("two", 2, "three", 3, "four", 4), unfiltered);
    assertEquals(ImmutableMap.of("three", 3, "four", 4), filtered);

    unfiltered.remove("three");
    assertEquals(ImmutableMap.of("two", 2, "four", 4), unfiltered);

    unfiltered.put("two", 2);
    unfiltered.put("three", 3);
    unfiltered.put("four", 4);
    assertEquals(ImmutableMap.of("two", 2, "three", 3, "four", 4), unfiltered);
    assertEquals(ImmutableMap.of("three", 3, "four", 4), filtered);

    unfiltered.remove("three");
    assertEquals(ImmutableMap.of("two", 2, "four", 4), unfiltered);

  }

  protected void populate(Multimap<String, Integer> multimap) {
    multimap.put("one", 1);
    multimap.put("two", 2);
    multimap.put("two", 22);
    multimap.put("three", 3);
    multimap.put("three", 33);
    multimap.put("three", 333);
  }

  @Override
  protected String getKeyNotInPopulatedMap() throws UnsupportedOperationException {
    return "zero";
  }

  @Override

  }

  protected void populate(Multimap<String, Integer> multimap) {
    multimap.put("one", 1);
    multimap.put("two", 2);
    multimap.put("two", 22);
    multimap.put("three", 3);
    multimap.put("three", 33);
    multimap.put("three", 333);
  }

  @Override
  protected String getKeyNotInPopulatedMap() throws UnsupportedOperationException {
    return "zero";
  }

  @Override

    original.add("one");
    original.add("two");
    original.add("three");

    EvictingQueue<String> copy = SerializableTester.reserialize(original);
    assertEquals(copy.maxSize, original.maxSize);
    assertEquals("one", copy.remove());
    assertEquals("two", copy.remove());
    assertEquals("three", copy.remove());
    assertTrue(copy.isEmpty());
  }

      return insertionOrder;
    }
  }

  private interface One {}

  private interface Two {}

  private interface Three {}

  private interface Four {}

  private interface Five {}

  static final class Impl implements One, Two, Three, Four, Five, Serializable {
    final int value;

    Impl(int value) {
      this.value = value;
    }

    @Override

  p.text += "\n      Most TF jobs run tests three times to root out flakes."
  if seen[key] == 3:
    p.text += (
        "\n      Since there were three failures, this is not flaky, and it"
    )
    p.text += "\n      probably caused the Kokoro invocation to fail."
  else:
    p.text += (
        "\n      Since there were not three failures, this is probably a flake."
    )
    p.text += (