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);
    }

        return removeSnapshot!!
      }

      override fun remove() {
        val removeSnapshot = this.removeSnapshot
        checkNotNull(removeSnapshot) { "remove() before next()" }
        try {
          this@DiskLruCache.remove(removeSnapshot.key())
        } catch (_: IOException) {
          // Nothing useful to do here. We failed to remove from the cache. Most likely that's

import org.codehaus.plexus.logging.Logger;
import org.eclipse.aether.ConfigurationProperties;
import org.eclipse.aether.util.ConfigUtils;

// TODO remove the update check manager
// TODO separate into retriever and publisher
// TODO remove hardcoding of checksum logic

/**
 * Manages <a href="https://maven.apache.org/wagon">Wagon</a> related operations in Maven.
 */
@Named
@Singleton
@Deprecated

    }

    @Override
    public void remove() {
      valueIterator.remove();
      /*
       * requireNonNull is safe because we've already initialized `collection`. If we hadn't, then
       * valueIterator.remove() would have failed.
       */
      if (requireNonNull(collection).isEmpty()) {
        keyIterator.remove();
      }
      totalSize--;
    }
  }

  /**

    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(),
    )

    runConcurrentlyMutatedTest(elements(1), ops(remove(), add(2)), wrap);

    runConcurrentlyMutatedTest(elements(1, 2), ops(remove(), remove()), wrap);

    runConcurrentlyMutatedTest(elements(1, 2), ops(remove(), nop()), wrap);

    runConcurrentlyMutatedTest(elements(1, 2), ops(remove(), add(3)), wrap);

    runConcurrentlyMutatedTest(elements(1, 2), ops(nop(), remove()), wrap);

    assertThrows(UnsupportedOperationException.class, () -> getMap().remove(k0()));
    expectUnchanged();
    assertEquals("remove(present) should not remove the element", v0(), get(k0()));
  }

  @MapFeature.Require(absent = SUPPORTS_REMOVE)
  public void testRemove_unsupportedNotPresent() {
    try {
      assertNull(
          "remove(notPresent) should return null or throw UnsupportedOperationException",

    assertEquals(Multisets.immutableEntry(k0(), 1), itr.next());
    itr.remove();
    assertTrue(multimap().isEmpty());
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testKeysEntrySetRemove() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k1(), v0()));
    assertTrue(multimap().keys().entrySet().remove(Multisets.immutableEntry(k0(), 2)));

      iterator.remove();
      assertEquals(initialSize - 1, map.size());

      // Use "entryCopy" instead of "entry" because "entry" might be invalidated after
      // iterator.remove().
      assertFalse(entrySet.contains(entryCopy));
      assertInvariants(map);
      assertThrows(IllegalStateException.class, iterator::remove);
    } else {
      iterator.next();

    assertEquals((Integer) 2, it.next());
    it.remove();
    // After this remove, 400 has moved up and 20 down past cursor
    assertTrue("Heap is not intact after remove", mmHeap.isIntact());
    assertEquals((Integer) 10, it.next());
    assertEquals((Integer) 3, it.next());
    it.remove();
    // After this remove, 400 moved down again and 500 up past the cursor