* href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *
 * <p>Note that {@link #get}, {@link #getUnchecked}, and {@link #apply} all expose the same
 * underlying functionality, so should probably be overridden as a group.
 *
 * @author Charles Fry
 * @since 11.0
 */
@GwtIncompatible
public abstract class ForwardingLoadingCache<K, V> extends ForwardingCache<K, V>

  private final Hasher hasher;

  /**
   * Creates an output stream that hashes using the given {@link HashFunction}, and forwards all
   * data written to it to the underlying {@link OutputStream}.
   *
   * <p>The {@link OutputStream} should not be written to before or after the hand-off.
   */
  // TODO(user): Evaluate whether it makes sense to always piggyback the computation of a

    }

    public void test_constructorWithMessageAndCause() {
        // Test constructor with message and cause
        String message = "Storage operation failed";
        Exception cause = new RuntimeException("Underlying error");
        StorageException exception = new StorageException(message, cause);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());

     * pagination metadata and functionality.
     *
     * @param <E> the type of elements in this list
     */
    public static class PagingList<E> implements List<E> {
        /** The underlying list containing the actual data. */
        private final List<E> parent;

        /** The total number of pages available. */
        protected int allPageCount;

 */
public class NdrBuffer {
    int referent;
    HashMap referents;

    static class Entry {
        int referent;
        Object obj;
    }

    /**
     * The underlying byte buffer containing the NDR data.
     */
    public byte[] buf;

    /**
     * The starting position in the buffer.
     */
    public int start;

    /**
     * The current position in the buffer.

 * {@link #createCollection()} could return a {@link java.util.TreeSet}, in which case the
 * multimap's iterators would propagate through the keys and values in sorted order.
 *
 * <p>Keys and values may be null, as long as the underlying collection classes support null
 * elements.
 *
 * <p>The collections created by {@link #createCollection()} may or may not allow duplicates. If the

 * implementations, except when the table is sparse.
 *
 * <p>Null row keys or column keys are not permitted.
 *
 * <p>This class provides methods involving the underlying array structure, where the array indices
 * correspond to the position of a row or column in the lists of allowed keys and values. See the
 * {@link #at}, {@link #set}, {@link #toArray}, {@link #rowKeyList}, and {@link #columnKeyList}

    }

    public void test_constructor_withMessageAndCause() {
        // Test constructor with message and cause
        String message = "Plugin initialization failed";
        Throwable cause = new RuntimeException("Underlying error");
        PluginException exception = new PluginException(message, cause);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());

            this.obj = obj;
        }

        final int referent;

        @SuppressWarnings("unused")
        private final Object obj;
    }

    /**
     * The underlying byte buffer containing the NDR data.
     */
    public byte[] buf;

    /**
     * The starting position in the buffer.
     */
    public int start;

    /**
     * The current position in the buffer.

        RuntimeCIFSException ex = assertThrows(RuntimeCIFSException.class, c::release);
        assertTrue(ex.getMessage().toLowerCase().contains("usage count"));
    }

    @Test
    @DisplayName("isConnected reflects underlying tree state")
    void isConnected_usesTree() {
        SmbTreeConnection c = newConn();
        // No tree -> false
        assertFalse(c.isConnected());

        SmbTreeImpl tree = mock(SmbTreeImpl.class);