map.put(keyOne, valueOne);
        ReferenceEntry<Object, Object> entry = segment.getEntry(keyOne, hashOne);

        @SuppressWarnings("unchecked")
        Reference<Object> reference = (Reference<Object>) entry;
        reference.enqueue();

        map.put(keyTwo, valueTwo);
        assertThat(map.containsKey(keyOne)).isFalse();
        assertThat(map.containsValue(valueOne)).isFalse();

        map.put(keyOne, valueOne);
        ReferenceEntry<Object, Object> entry = segment.getEntry(keyOne, hashOne);

        @SuppressWarnings("unchecked")
        Reference<Object> reference = (Reference<Object>) entry;
        reference.enqueue();

        map.put(keyTwo, valueTwo);
        assertThat(map.containsKey(keyOne)).isFalse();
        assertThat(map.containsValue(valueOne)).isFalse();

    /**
     * Returns the entry associated with this value reference, or {@code null} if this value
     * reference is independent of any entry.
     */
    @Nullable ReferenceEntry<K, V> getEntry();

    /**
     * Creates a copy of this reference for the given entry.
     *
     * <p>{@code value} may be null only for a loading reference.
     */
    ValueReference<K, V> copyFor(

    /**
     * Returns the entry associated with this value reference, or {@code null} if this value
     * reference is independent of any entry.
     */
    @Nullable ReferenceEntry<K, V> getEntry();

    /**
     * Creates a copy of this reference for the given entry.
     *
     * <p>{@code value} may be null only for a loading reference.
     */
    ValueReference<K, V> copyFor(

    try {
      Method method = Reference.class.getMethod("reachabilityFence", Object.class);
      method.invoke(null, ClosingFuture.class); // to make sure the method is accessible
      return true;
    } catch (NoSuchMethodException | IllegalAccessException probablyBeforeJava9OrAndroid28) {
      /*
       * It's theoretically possible for Reference.reachabilityFence to exist under older VMs in an

  
  When adding links which point to resources within git repositories, like
  KEPs or supporting documentation, please reference a specific commit and avoid
  linking directly to the master branch. This ensures that links reference a
  specific point in time, rather than a document that may change over time.
  

getScrollParent(getParentNode(element));\n}\n","/**\n * Returns the reference node of the reference object, or the reference object itself.\n * @method\n * @memberof Popper.Utils\n * @param {Element|Object} reference - the reference element (the popper will be relative to this)\n * @returns {Element} parent\n */\nexport default function getReferenceNode(reference) {\n  return reference && reference.referenceNode ? reference.referenceNode : reference;\n}\n","import isBrowser from './isBrowser';\n\nconst isIE11...

Popper (https://popper.js.org)')\n    }\n\n    let referenceElement = this._element\n\n    if (this._config.reference === 'parent') {\n      referenceElement = this._parent\n    } else if (isElement(this._config.reference)) {\n      referenceElement = getElement(this._config.reference)\n    } else if (typeof this._config.reference === 'object') {\n      referenceElement = this._config.reference\n    }\n\n    const popperConfig = this._getPopperConfig()\n    this._popper = Popper.createPopper(referenceElement,...

\n      }\n\n      let referenceElement = this._element\n\n      if (this._config.reference === 'parent') {\n        referenceElement = parent\n      } else if (Util.isElement(this._config.reference)) {\n        referenceElement = this._config.reference\n\n        // Check if it's jQuery element\n        if (typeof this._config.reference.jquery !== 'undefined') {\n          referenceElement = this._config.reference[0]\n        }\n      }\n\n      // If boundary is not `scrollParent`, then set position...

 * This URL references a share called <code>tmp</code> on the server
 * <code>angus</code> as user <code>miallen</code> who's password is
 * <code>mypass</code>.
 * </td></tr>
 *
 * <tr><td >
 * <code>smb1://Administrator:P%40ss@msmith1/c/WINDOWS/Desktop/foo.txt</code></td><td>
 * A relativly sophisticated example that references a file