*/
internal sealed class Tags {
  /**
   * Returns a tags instance that maps [key] to [value]. If [value] is null, this returns a tags
   * instance that does not have any mapping for [key].
   */
  abstract fun <T : Any> plus(
    key: KClass<T>,
    value: T?,
  ): Tags

  abstract operator fun <T : Any> get(key: KClass<T>): T?
}

   * val copy = original.clone()
   *
   * val myTag = original.tag(MyTag::class)
   * if (myTag != null) {
   *   copy.tag(MyTag::class) { myTag }
   * }
   * ```
   *
   * ```java
   * Call copy = original.clone();
   *
   * MyTag myTag = original.tag(MyTag.class);
   * if (myTag != null) {
   *   copy.tag(MyTag.class, () -> myTag);
   * }
   * ```
   *

```java
// Use with SLF4J (add slf4j-api dependency)
Logger logger = Logger.getLogger(MyClass.class);

// Use with Commons Logging (add commons-logging dependency)  
Logger logger = Logger.getLogger(MyClass.class);

// Use with Java Util Logging (built-in)
Logger logger = Logger.getLogger(MyClass.class.getName());
```

### Bean Copy Configuration
```java
// Configure bean copying behavior

    }

    val expectedEvents = mutableListOf<KClass<out CallEvent>>()
    // Start out with standard events...
    expectedEvents += CallStart::class
    expectedEvents += ProxySelectStart::class
    expectedEvents += ProxySelectEnd::class
    expectedEvents += DnsStart::class
    expectedEvents += DnsEnd::class
    expectedEvents += ConnectStart::class
    if (https) {
      expectedEvents += SecureConnectStart::class

    }

    /**
     *
     */
    @Test
    public void testCopyMapToNewBean_SrcNull() {
        exception.expect(NullArgumentException.class);
        exception.expectMessage(is("[ECL0008]argument[src] is null."));
        BeanUtil.copyMapToNewBean(null, Bean.class);
    }

    /**
     *
     */
    public static class HogeDto {

    assertThat(recordedRequest.url.encodedQuery)
      .isEqualTo("ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ")

    assertThat(cacheEvents()).containsExactly(CacheMiss::class)
  }

  private fun cacheEvents(): List<KClass<out CallEvent>> =
    eventRecorder
      .recordedEventTypes()
      .filter { "Cache" in it.simpleName!! }
      .also { eventRecorder.clearAllEvents() }

     * If the class is a wrapper class, returns its corresponding primitive class; otherwise, returns the class itself.
     *
     * @param clazz
     *            The class. Must not be {@literal null}.
     * @return The primitive class if the argument is a wrapper class, otherwise the class passed as the argument.
     */
    public static Class<?> getPrimitiveClassIfWrapper(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);

  @JvmName("reifiedTag")
  inline fun <reified T : Any> tag(): T? = tag(T::class)

  /** Returns the tag attached with [type] as a key, or null if no tag is attached with that key. */
  fun <T : Any> tag(type: KClass<T>): T? = type.java.cast(tags[type])

  /**
   * Returns the tag attached with `Object.class` as a key, or null if no tag is attached with
   * that key.
   *

ement);e&&(this._menu=e.querySelector(ot))}return this._menu},e._getPlacement=function(){var t=o.default(this._element.parentNode),e="bottom-start";return t.hasClass("dropup")?e=o.default(this._menu).hasClass(G)?"top-end":"top-start":t.hasClass("dropright")?e="right-start":t.hasClass("dropleft")?e="left-start":o.default(this._menu).hasClass(G)&&(e="bottom-end"),e},e._detectNavbar=function(){return o.default(this._element).closest(".navbar").length>0},e._getOffset=function(){var t=this,e={};return"function"==typeof...

PLACEMENT_BOTTOM\n\n    // Handle dropup\n    if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {\n      placement = $(this._menu).hasClass(CLASS_NAME_MENURIGHT) ?\n        PLACEMENT_TOPEND :\n        PLACEMENT_TOP\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {\n      placement = PLACEMENT_RIGHT\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {\n      placement = PLACEMENT_LEFT\n    } else if ($(this._menu).hasClass(CLASS_NAME_MENURIGHT)) {\n      placement = PLACEMENT_BOTTOMEND\n...