*/
  Collection<V> get(@ParametricNullness K key);

  /**
   * Returns a view collection of all <i>distinct</i> keys contained in this multimap. Note that the
   * key set contains a key if and only if this multimap maps that key to at least one value.
   *
   * <p>Changes to the returned set will update the underlying multimap, and vice versa. However,

   * Returns a collection view of all values associated with a key. If no mappings in the multimap
   * have the provided key, an empty collection is returned.
   *
   * <p>Changes to the returned collection will update the underlying multimap, and vice versa.
   *
   * <p>Because a {@code SortedSetMultimap} has unique sorted values for a given key, this method
   * returns a {@link SortedSet}, instead of the {@link Collection} specified in the {@link

  /**
   * Invokes with {@code receiver} as 'this' and {@code args} passed to the underlying method and
   * returns the return value; or calls the underlying constructor with {@code args} and returns the
   * constructed instance.
   *
   * @throws IllegalAccessException if this {@code Constructor} object enforces Java language access
   *     control and the underlying method or constructor is inaccessible.

    }

    /**
     * Extracts the underlying data map from a parameter map.
     * If the provided map is a ParamMap instance, returns its parent map.
     * Otherwise, returns the map as-is.
     *
     * @param params the parameter map to extract data from
     * @return the underlying data map
     */

        // Test with cause only
        Exception cause = new IllegalStateException("Underlying error");
        DataStoreException exception = new DataStoreException(cause);

        assertNotNull(exception);
        assertEquals(cause, exception.getCause());
        assertEquals("java.lang.IllegalStateException: Underlying error", exception.getMessage());
        assertTrue(exception instanceof FessSystemException);
    }

   * Returns a collection view of all values associated with a key. If no mappings in the multimap
   * have the provided key, an empty collection is returned.
   *
   * <p>Changes to the returned collection will update the underlying multimap, and vice versa.
   *
   * <p>Because a {@code SortedSetMultimap} has unique sorted values for a given key, this method
   * returns a {@link SortedSet}, instead of the {@link java.util.Collection} specified in the

    /**
     * Gets the type of this pipe.
     *
     * @return the pipe type
     */
    int getPipeType();

    /**
     * Gets the session key from the underlying SMB session.
     *
     * @return session key of the underlying smb session
     * @throws CIFSException if an error occurs retrieving the session key
     */
    byte[] getSessionKey() throws CIFSException;

    /**

   *
   * <p>A collection is considered immutable if:
   *
   * <ol>
   *   <li>All its mutation methods result in UnsupportedOperationException, and do not change the
   *       underlying contents.
   *   <li>All methods that return objects that can indirectly mutate the collection throw
   *       UnsupportedOperationException when those mutators are called.
   * </ol>
   *

        assertEquals(60, sis.read());

        // After consuming all data, next read will fail
        assertThrows(IOException.class, () -> sis.read());
    }

    @Test
    @DisplayName("Close delegates to underlying stream")
    void closeDelegatesToUnderlyingStream(@Mock InputStream mockIn) throws IOException {
        SocketInputStream sis = new SocketInputStream(mockIn);
        sis.close();
        verify(mockIn).close();

    }

    /**
     * Get length of memory region
     *
     * @return length in bytes
     */
    public int getLength() {
        return transform.getLength();
    }

    /**
     * Get the underlying RDMA transform structure
     *
     * @return RDMA transform
     */
    public Smb2RdmaTransform getTransform() {
        return transform;
    }

    /**