assertThat(table.get("foo", 3)).isNull();
      assertThat(table.remove(null, 1)).isNull();
      assertThat(table.remove("foo", null)).isNull();
      assertThat(table.remove(null, null)).isNull();
      assertSize(2);
    } else {
      assertThrows(UnsupportedOperationException.class, () -> table.remove("foo", 3));
      assertEquals((Character) 'c', table.get("foo", 3));
    }
  }

          }
        };

    EvictingQueue<String> queue = EvictingQueue.create(3);
    assertTrue(queue.addAll(misbehavingList));

    assertEquals("three", queue.remove());
    assertEquals("four", queue.remove());
    assertEquals("five", queue.remove());
    assertTrue(queue.isEmpty());
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {

    derivedFeatures.remove(CollectionFeature.GENERAL_PURPOSE);
    derivedFeatures.remove(CollectionFeature.SUPPORTS_ADD);
    derivedFeatures.remove(CollectionFeature.ALLOWS_NULL_VALUES);
    derivedFeatures.add(CollectionFeature.REJECTS_DUPLICATES_AT_CREATION);
    if (!derivedFeatures.remove(CollectionFeature.SERIALIZABLE_INCLUDING_VIEWS)) {
      derivedFeatures.remove(CollectionFeature.SERIALIZABLE);
    }

        }

        // Remove state for old versions of Gradle that we're unlikely to ever require again
        fileSystemOperations.removeOldVersionsFromDir(workerDir.dir("caches"), expireDistributionCache)

        // Remove scripts caches
        fileSystemOperations.removeCachedScripts(workerDir.dir("caches").asFile)

        // Remove script caches from TestKit integTest temp dir

  public void testRemoveAtIndex_unsupported() {
    assertThrows(UnsupportedOperationException.class, () -> getList().remove(0));
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)
  public void testRemoveAtIndex_negative() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().remove(-1));
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)

    map.remove("a");
    assertFalse(underlying.containsKey("a"));

    Set<String> keys = map.keySet();
    keys.remove("b");
    assertFalse(underlying.containsKey("b"));

    Iterator<String> keyIterator = keys.iterator();
    keyIterator.next();
    keyIterator.remove();
    assertFalse(underlying.containsKey("c"));

    /* Should complain on attempt to remove() after peek(). */
    assertThrows(IllegalStateException.class, () -> peekingIterator.remove());

    assertEquals(
        "After remove() throws exception, peek should still be ok", "B", peekingIterator.peek());

    /* Should recover to be able to remove() after next(). */
    assertEquals("B", peekingIterator.next());
    peekingIterator.remove();

    for (int i = 0; i < 3; i++) {
      resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
      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() {

	// If not found, just return.
	if !found {
		return false
	}

	// Reserialize...
	x.serialize(plSize, keys, vals)
	return true
}

// remove will remove one or more keys.
// Returns true if any key was found.
func (x *xlMetaInlineData) remove(keys ...string) bool {
	in := x.afterVersion()
	sz, buf, _ := msgp.ReadMapHeaderBytes(in)
	newKeys := make([][]byte, 0, sz)
	newVals := make([][]byte, 0, sz)

    map.remove("a");
    assertFalse(underlying.containsKey("a"));

    Set<String> keys = map.keySet();
    keys.remove("b");
    assertFalse(underlying.containsKey("b"));

    Iterator<String> keyIterator = keys.iterator();
    keyIterator.next();
    keyIterator.remove();
    assertFalse(underlying.containsKey("c"));