// Given
            when(mockResource.openOutputStream()).thenReturn(mockOutputStream);
            when(mockResource.openOutputStream(anyBoolean())).thenReturn(mockOutputStream);
            when(mockResource.openOutputStream(anyBoolean(), anyInt())).thenReturn(mockOutputStream);
            when(mockResource.openOutputStream(anyBoolean(), anyInt(), anyInt(), anyInt())).thenReturn(mockOutputStream);

     */
    OutputStream openOutputStream(boolean append) throws CIFSException;

    /**
     * Opens an output stream writing to the file (truncating, write only, sharable)
     *
     * @return output stream, needs to be closed when finished
     * @throws CIFSException if an error occurs accessing the resource
     */
    OutputStream openOutputStream() throws CIFSException;

    /**

 *
 * {@snippet :
 * Closer closer = Closer.create();
 * try {
 *   InputStream in = closer.register(openInputStream());
 *   OutputStream out = closer.register(openOutputStream());
 *   // do stuff
 * } catch (Throwable e) {
 *   // ensure that any checked exception types other than IOException that could be thrown are
 *   // provided here, e.g. throw closer.rethrow(e, CheckedException.class);