initialize()

    checkNotClosed()
    validateKey(key)
    val entry = lruEntries[key] ?: return false
    val removed = removeEntry(entry)
    if (removed && size <= maxSize) mostRecentTrimFailed = false
    return removed
  }

  @Throws(IOException::class)
  internal fun removeEntry(entry: Entry): Boolean {
    // If we can't delete files that are still open, mark this entry as a zombie so its files will

    }
  }

  /** Removes the entry at the specified index with no additional data. */
  private void removeEntry(int entry) {
    removeEntryKeyHashKnown(entry, smearedHash(keys[entry]));
  }

  /** Removes the entry at the specified index, given the hash of its key and value. */
  private void removeEntry(int entry, int keyHash, int valueHash) {
    checkArgument(entry != ABSENT);
    deleteFromTableKToV(entry, keyHash);

      ReferenceEntry<K, V> e;
      while ((e = writeQueue.peek()) != null && map.isExpired(e, now)) {
        if (!removeEntry(e, e.getHash(), RemovalCause.EXPIRED)) {
          throw new AssertionError();
        }
      }
      while ((e = accessQueue.peek()) != null && map.isExpired(e, now)) {
        if (!removeEntry(e, e.getHash(), RemovalCause.EXPIRED)) {
          throw new AssertionError();
        }
      }
    }

      ReferenceEntry<K, V> e;
      while ((e = writeQueue.peek()) != null && map.isExpired(e, now)) {
        if (!removeEntry(e, e.getHash(), RemovalCause.EXPIRED)) {
          throw new AssertionError();
        }
      }
      while ((e = accessQueue.peek()) != null && map.isExpired(e, now)) {
        if (!removeEntry(e, e.getHash(), RemovalCause.EXPIRED)) {
          throw new AssertionError();
        }
      }
    }

    // remove absent
    assertThat(segment.removeEntry(entry, hash, RemovalCause.COLLECTED)).isFalse();

    // remove live
    segment.recordWrite(entry, 1, map.ticker.read());
    table.set(0, entry);
    segment.count = 1;
    assertThat(segment.removeEntry(entry, hash, RemovalCause.COLLECTED)).isTrue();
    assertNotificationEnqueued(map, key, value);

    // remove absent
    assertThat(segment.removeEntry(entry, hash, RemovalCause.COLLECTED)).isFalse();

    // remove live
    segment.recordWrite(entry, 1, map.ticker.read());
    table.set(0, entry);
    segment.count = 1;
    assertThat(segment.removeEntry(entry, hash, RemovalCause.COLLECTED)).isTrue();
    assertNotificationEnqueued(map, key, value);