setSucceeds(lastInInsertionOrder, size);
    setSucceeds(size, ENDPOINT);
    size++;
    modCount++;
    return null;
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V forcePut(@ParametricNullness K key, @ParametricNullness V value) {
    return put(key, value, true);
  }

  @CanIgnoreReturnValue
  private @Nullable K putInverse(

  @Override
  public @Nullable V put(@ParametricNullness K key, @ParametricNullness V value) {
    return putInBothMaps(key, value, false);
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V forcePut(@ParametricNullness K key, @ParametricNullness V value) {
    return putInBothMaps(key, value, true);
  }

  private @Nullable V putInBothMaps(

   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final @Nullable V forcePut(K key, V value) {
    throw new UnsupportedOperationException();
  }

  /**
   * Serialized type for all ImmutableBiMap instances. It captures the logical contents and they are

   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final @Nullable V forcePut(K key, V value) {
    throw new UnsupportedOperationException();
  }

  /**
   * Serialized type for all ImmutableBiMap instances. It captures the logical contents and they are

            }
        }
        return -1; // Indicate failure
    }

    /**
     * Timer task for destroying processes that exceed their timeout.
     * Handles graceful and forceful termination of thumbnail generation processes.
     */
    protected static class ProcessDestroyer extends TimerTask {

        /** The process to monitor and destroy. */
        private final Process p;