NullPointerException.class, () -> multimap().putAll(k3(), newArrayList(null, v3())));

    /*
     * In principle, a Multimap implementation could add e3 first before failing on the null. But
     * that seems unlikely enough to be worth complicating the test over, especially if there's any
     * chance that a permissive test could mask a bug.
     */
    expectUnchanged();

    public fun shutdownServer(shutdownServer: Boolean): Builder =
      apply {
        this.shutdownServer = shutdownServer
      }

    /**
     * Throttles the request reader and response writer to sleep for the given period after each
     * series of [bytesPerPeriod] bytes are transferred. Use this to simulate network behavior.
     */
    public fun throttleBody(
      bytesPerPeriod: Long,
      period: Long,

     */
    // NB: yes, this is surprisingly high, but that's what the experiments said was necessary
    // Raising this number slows the worst-case contains behavior, speeds up hashFloodingDetected,
    // and reduces the false-positive probability.
    static final int MAX_RUN_MULTIPLIER = 13;

    /**

   * Performs maintenance on this pool, evicting the connection that has been idle the longest if
   * either it has exceeded the keep alive limit or the idle connections limit.
   *
   * Returns the duration in nanoseconds to sleep until the next scheduled call to this method.
   * Returns -1 if no further cleanups are required.
   */
  fun closeConnections(now: Long): Long {

    attributes:
      value: >
        #### Ubiquity: provide concrete use cases


        Did you *actually* encounter the need for this feature in a real-world scenario, or is it
        just a feature that seems like a sensible addition to Guava?


        Before new features get added to Guava, we really want to be sure that it's for a use case

    filtered.put("chicken", 7);
    assertEquals(ImmutableMap.of("cat", 3, "horse", 5, "chicken", 7), filtered);

    assertThrows(
        IllegalArgumentException.class,
        () -> filtered.putAll(ImmutableMap.of("sheep", 5, "cow", 7)));
    assertEquals(ImmutableMap.of("cat", 3, "horse", 5, "chicken", 7), filtered);
  }

  public void testFilteredEntriesObjectPredicate() {
    Map<String, Integer> unfiltered = createUnfiltered();

      /*
       * I assume that this check can't fail because JELLY_BEAN will be present only if we're
       * running under Jelly Bean or higher. But it seems safest to check.
       */
      if (version < jellyBean) {
        return new ThrowingCreator();
      }

      // Don't merge these catch() blocks, let alone use ReflectiveOperationException directly:

    filtered.put("chicken", 7);
    assertEquals(ImmutableMap.of("cat", 3, "horse", 5, "chicken", 7), filtered);

    assertThrows(
        IllegalArgumentException.class,
        () -> filtered.putAll(ImmutableMap.of("sheep", 5, "cow", 7)));
    assertEquals(ImmutableMap.of("cat", 3, "horse", 5, "chicken", 7), filtered);
  }

  public void testFilteredEntriesObjectPredicate() {
    Map<String, Integer> unfiltered = createUnfiltered();

   * IllegalArgumentException} if passed a {@code fromElement} smaller than an earlier {@code
   * fromElement}. However, this method doesn't throw an exception in that situation, but instead
   * keeps the original {@code fromElement}. Similarly, this method keeps the original {@code
   * toElement}, instead of throwing an exception, if passed a {@code toElement} greater than an
   * earlier {@code toElement}.
   */
  @Override

        }

        @Test
        @DisplayName("Should handle empty extensions safely")
        void testEmptyExtensions() throws IOException {
            // Empty extension seems to match first entry in mime.map
            String result = mimeMap.getMimeType("");
            assertNotNull(result);
            // With custom default, empty still returns the first match