assertThat(callbacks.remove()).isEqualTo(Event(null, "add", "73857293"))
    assertThat(callbacks.remove()).isEqualTo(Event(null, "remove", "2153"))
    assertThat(callbacks.remove()).isEqualTo(Event(null, "add", "113411"))
  }

  @Test
  fun commentsIgnored() {
    consumeEvents(
      """
      |: test stream
      |
      |data: first event
      |id: 1
      |
      |
      """.trimMargin(),
    )

  public void testRemoveNullValueAbsent() {
    assertFalse(multimap().remove(k0(), null));
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_VALUE_QUERIES)
  public void testRemoveNullValueForbidden() {
    try {
      multimap().remove(k0(), null);
      fail("Expected NullPointerException");
    } catch (NullPointerException expected) {

      getList().remove(-1);
      fail("remove(-1) should throw");
    } catch (IndexOutOfBoundsException expected) {
    }
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)
  public void testRemoveAtIndex_tooLarge() {
    try {
      getList().remove(getNumElements());
      fail("remove(size) should throw");
    } catch (IndexOutOfBoundsException expected) {
    }
    expectUnchanged();
  }

      if (hasNext()) {
        toRemove = iterator;
        return iterator.next();
      } else {
        throw new NoSuchElementException();
      }
    }

    @Override
    public void remove() {
      if (toRemove == null) {
        throw new IllegalStateException("no calls to next() since the last call to remove()");
      }
      toRemove.remove();
      toRemove = null;
    }

  public void testRemove_occurrences_negative() {
    try {
      getMultiset().remove(e0(), -1);
      fail("multiset.remove(E, -1) didn't throw an exception");
    } catch (IllegalArgumentException required) {
    }
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_occurrences_wrongType() {
    assertEquals(
        "multiset.remove(wrongType, 1) didn't return 0",
        0,

   * removeFrom.removeIf(predicate)} instead.
   *
   * @param removeFrom the iterable to (potentially) remove elements from
   * @param predicate a predicate that determines whether an element should be removed
   * @return {@code true} if any elements were removed from the iterable
   * @throws UnsupportedOperationException if the iterable does not support {@code remove()}.
   * @since 2.0
   */

      }
    }
  }

  private void compareResultsForThisListOfStimuli() {
    int removes = Collections.frequency(Arrays.asList(stimuli), remove);
    if ((!features.contains(IteratorFeature.SUPPORTS_REMOVE) && removes > 1)
        || (stimuli.length >= 5 && removes > 2)) {
      // removes are the most expensive thing to test, since they often throw exceptions with stack

			b.debugf("cache %s not worth keeping", id)
			remove[id] = struct{}{}
			continue
		}
		if cache.id != id {
			logger.Info("cache ID mismatch %s != %s", id, cache.id)
			remove[id] = struct{}{}
			continue
		}
		if cache.bucket != b.bucket {
			logger.Info("cache bucket mismatch %s != %s", b.bucket, cache.bucket)
			remove[id] = struct{}{}
			continue
		}
	}

    E x = items[takeIndex];
    items[takeIndex] = null;
    takeIndex = inc(takeIndex);
    --count;
    return x;
  }

  /**
   * Utility for remove and iterator.remove: Delete item at position i. Call only when occupying
   * monitor.
   */
  void removeAt(int i) {
    final E[] items = this.items;
    // if removing front item, just advance
    if (i == takeIndex) {
      items[takeIndex] = null;

      List<V> expectedValues = copyToList(values);

      multimap().get(k0()).remove(i);
      expectedValues.remove(i);

      assertGet(k0(), expectedValues);
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)
  public void testRemoveAtIndexFromAsMapPropagates() {
    List<V> values = Arrays.asList(v0(), v1(), v0());