originalMap.put("refreshKrb5Config", "true");

        @SuppressWarnings("unchecked")
        Map<String, Object> spyOpts = spy(originalMap);

        // Reset the spy to clear any prior invocations from setup
        reset(spyOpts);

        StaticJAASConfiguration cfg = new StaticJAASConfiguration(spyOpts);

        // Act

    @Override
    public @Nullable V remove(Object object) {
      assertTrue(Thread.holdsLock(mutex));
      return super.remove(object);
    }

    @Override
    public void clear() {
      assertTrue(Thread.holdsLock(mutex));
      super.clear();
    }

    @Override
    public boolean containsKey(Object key) {
      assertTrue(Thread.holdsLock(mutex));
      return super.containsKey(key);
    }

    @Override

      put(entry.getKey(), entry.getValue());
    }
  }

  @Override
  public void clear() {
    if (removalListener != null) {
      for (Entry<K, Timestamped<V>> entry : cachingHashMap.entrySet()) {
        alertListenerIfPresent(entry.getKey(), entry.getValue().getValue(), RemovalCause.EXPLICIT);
      }
    }
    cachingHashMap.clear();
  }

  @Override
  public V putIfAbsent(K key, V value) {

      this.fromCollection = checkNotNull(fromCollection);
      this.function = checkNotNull(function);
    }

    @Override
    public void clear() {
      fromCollection.clear();
    }

    @Override
    public boolean isEmpty() {
      return fromCollection.isEmpty();
    }

    @Override
    public Iterator<T> iterator() {

  }

  /**
   * A sensible definition of {@link #clear} in terms of the {@code iterator} method of {@link
   * #entrySet}. If you override {@link #entrySet}, you may wish to override {@link #clear} to
   * forward to this implementation.
   *
   * @since 7.0
   */
  @Override
  protected void standardClear() {
    Iterators.clear(entrySet().iterator());
  }

  /**

    public boolean getFlag(final int flag) {
        return (getFlags() & flag) != 0;
    }

    /**
     * Sets or clears the specified flag.
     *
     * @param flag The flag to set/clear (i.e.,
     * <code>NTLMSSP_NEGOTIATE_OEM</code>).
     * @param value Indicates whether to set (<code>true</code>) or
     * clear (<code>false</code>) the specified flag.
     */
    public void setFlag(final int flag, final boolean value) {

        removeMap(e.key);
        e.clear();
        return value;
    }

    @Override
    public void putAll(final Map<? extends K, ? extends V> map) {
        for (final Map.Entry<? extends K, ? extends V> entry : map.entrySet()) {
            put(entry.getKey(), entry.getValue());
        }
    }

    @Override
    public void clear() {
        for (int i = 0; i < mapTable.length; i++) {

      assertTrue(Thread.holdsLock(mutex));
      return delegate.retainAll(collection);
    }

    @Override
    public void clear() {
      assertTrue(Thread.holdsLock(mutex));
      delegate.clear();
    }

    @Override
    public Object[] toArray() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.toArray();
    }

    @Override

    checkNotNull(action);
    backingMap.forEach((element, count) -> action.accept(element, count.get()));
  }

  @Override
  public void clear() {
    for (Count frequency : backingMap.values()) {
      frequency.set(0);
    }
    backingMap.clear();
    size = 0L;
  }

  @Override
  int distinctElements() {
    return backingMap.size();
  }

  // Optimizations - Query Operations

      assertTrue(Thread.holdsLock(mutex));
      return delegate.retainAll(collection);
    }

    @Override
    public void clear() {
      assertTrue(Thread.holdsLock(mutex));
      delegate.clear();
    }

    @Override
    public Object[] toArray() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.toArray();
    }

    @Override