// evict 3, 4, 5
    getAll(cache, asList(10));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(6, 7, 8, 9, 0, 1, 2, 10);

    // re-order
    getAll(cache, asList(6, 7, 8));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(9, 0, 1, 2, 10, 6, 7, 8);

    // evict 9, 1, 2, 10
    getAll(cache, asList(15));

        if (cleaned == 2) {
            assertNull(entry1);
            assertNull(leaseManager.getLease(key2));
        }
    }

    @Test
    @DisplayName("Should evict oldest leases when max limit reached")
    void testMaxLeaseEviction() throws InterruptedException {
        // Create a context with low max lease limit
        Configuration limitedConfig = mock(Configuration.class);

      }

      else -> {
        toEvict = null
        toEvictIdleAtNs = -1L
      }
    }

    when {
      toEvict != null -> {
        // We've chosen a connection to evict. Confirm it's still okay to be evicted, then close it.
        toEvict.withLock {
          if (toEvict.calls.isNotEmpty()) return 0L // No longer idle.

        }

        // if the new or replacement header is too big, drop all entries.
        if (delta > maxDynamicTableByteCount) {
          clearDynamicTable()
          return
        }

        // Evict headers to the required length.
        val bytesToRecover = dynamicTableByteCount + delta - maxDynamicTableByteCount
        val entriesEvicted = evictToRecoverBytes(bytesToRecover)

  @Override
  public int size() {
    return size;
  }

  /**
   * Adds the given element to this queue. If this queue has a maximum size, after adding {@code
   * element} the queue will automatically evict its greatest element (according to its comparator),
   * which may be {@code element} itself.
   *
   * @return {@code true} always
   */
  @CanIgnoreReturnValue
  @Override
  public boolean add(E element) {

        if (file != null) {
            fileCache.put(path, new WeakReference<>(file));
        }
    }

    /**
     * Evict oldest leases based on LRU
     *
     * @param count number of leases to evict
     */
    private void evictOldestLeases(int count) {
        if (count <= 0 || leases.isEmpty()) {
            return;
        }

        .build()
    val request = Request(server.url("/"))
    val response1 = client.newCall(request).execute()
    assertThat(response1.body.string()).isEqualTo("a")

    // Give the thread pool a chance to evict.
    Thread.sleep(500)
    val response2 = client.newCall(request).execute()
    assertThat(response2.body.string()).isEqualTo("b")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)

   * (unless they were already returned).
   *
   * The iterator supports [MutableIterator.remove]. Removing a URL from the iterator evicts the
   * corresponding response from the cache. Use this to evict selected responses.
   */
  @Throws(IOException::class)
  fun urls(): MutableIterator<String> {
    return object : MutableIterator<String> {

                }
              });
    }

    threadPool.shutdown();
    threadPool.awaitTermination(300, SECONDS);

    // Since we're not doing any more cache operations, and the cache only expires/evicts when doing
    // other operations, the cache and the removal queue won't change from this point on.

    // Verify that each received removal notification was valid

is now easier to integrate into custom networking environments by supporting
TLS for secure communication and L7 http-based traffic routing.
     * Graceful Node Shutdown (aka drain) - The new “kubectl drain” command gracefully
evicts pods from nodes in preparation for disruptive operations like kernel
upgrades or maintenance.
     * Custom Metrics for Autoscaling (HorizontalPodAutoscaler API in the Autoscaling