public @Nullable V forcePut(K key, @ParametricNullness V value) {
    return super.forcePut(key, value);
  }

  /** Returns the associated key type. */
  @GwtIncompatible
  public Class<K> keyType() {
    return keyTypeOrObjectUnderJ2cl;
  }

  /**
   * @serialData the key class, number of entries, first key, first value, second key, second value,
   *     and so on.
   */

    public void test_evaluate_paramMapWithNullValues() {
        final Map<String, Object> params = new HashMap<>();
        params.put("key1", null);
        params.put("key2", "value");
        assertEquals("value", groovyEngine.evaluate("return key2", params));
        assertNull(groovyEngine.evaluate("return key1", params));
    }

    // ===== Parameter Binding Tests =====

    /**

    #  Elements of this map are as below:
    #   o key of map: Properties Title Name
    #   o baseDir: base directory for directory property. (NotRequired)
    #   o rootFile: root file to read properties (Required)
    #   o environmentMap: map of environment files, the value is dir path (NotRequired)
    #   o diffIgnoredKeyList: list of ignored keys for differences (NotRequired)

    builder.put("key", "value");
    assertThat(builder.build().entries()).containsExactly(Maps.immutableEntry("key", "value"));
  }

  public void testBuilderWithExpectedKeysPositive() {
    ImmutableListMultimap.Builder<String, String> builder =
        ImmutableListMultimap.builderWithExpectedKeys(1);
    builder.put("key", "value");

reference,i.popper,i.options,t,i.state)}),this.update();var p=this.options.eventsEnabled;p&&this.enableEventListeners(),this.state.eventsEnabled=p}return de(t,[{key:'update',value:function(){return k.call(this)}},{key:'destroy',value:function(){return H.call(this)}},{key:'enableEventListeners',value:function(){return I.call(this)}},{key:'disableEventListeners',value:function(){return U.call(this)}}]),t}();return ge.Utils=('undefined'==typeof window?global:window).PopperUtils,ge.placements=me,ge....

                        PopulatableMapAsMultimap.create();
                    populateMultimapForKeys(multimap, elements);
                    return multimap.build().keys();
                  }
                })
            .named("Multimaps.forMap.keys")
            .withFeatures(FOR_MAP_FEATURES_ANY)
            .suppressing(getCountDuplicateInitializingMethods())
            .suppressing(getSetCountDuplicateInitializingMethods())

    return copyToSet(asList(elements));
  }

  // Would use Maps.immutableEntry
  public static <K extends @Nullable Object, V extends @Nullable Object> Entry<K, V> mapEntry(
      K key, V value) {
    return singletonMap(key, value).entrySet().iterator().next();
  }

  private static boolean isEmpty(Iterable<?> iterable) {
    return iterable instanceof Collection
        ? ((Collection<?>) iterable).isEmpty()

      this.map = checkNotNull(map);
    }

    @Override
    @ParametricNullness
    public V apply(@ParametricNullness K key) {
      V result = map.get(key);
      checkArgument(result != null || map.containsKey(key), "Key '%s' not present in map", key);
      // The unchecked cast is safe because of the containsKey check.
      return uncheckedCastNullableTToT(result);
    }

    @Override

    val secondSpace = line.indexOf(' ', keyBegin)
    val key: String
    if (secondSpace == -1) {
      key = line.substring(keyBegin)
      if (firstSpace == REMOVE.length && line.startsWith(REMOVE)) {
        lruEntries.remove(key)
        return
      }
    } else {
      key = line.substring(keyBegin, secondSpace)
    }

    var entry: Entry? = lruEntries[key]
    if (entry == null) {
      entry = Entry(key)

    }

    @Test
    public void testDifferentKeys() {
        final CachedCipher cipher1 = new CachedCipher();
        cipher1.setKey("key1");

        final CachedCipher cipher2 = new CachedCipher();
        cipher2.setKey("key2");

        final String original = "Hello World";
        final String encrypted1 = cipher1.encryptText(original);