}

    /**
     * Creates an OutputStream from an XContentBuilder using the provided callback function.
     *
     * @param func the callback function to build XContent
     * @param mediaType the media type for the content builder
     * @return an OutputStream containing the built content, or an empty ByteArrayOutputStream if an error occurs
     */

     * @return the output stream, or null if not set
     */
    @Nullable
    OutputStream stdOut();

    /**
     * Returns the error stream to be used for the Maven execution.
     * If not set, {@link System#err} will be used by default.
     *
     * @return the error stream, or null if not set
     */
    @Nullable
    OutputStream stdErr();

    /**

    /**
     * Downloads an object from storage.
     *
     * @param objectName the name/path of the object to download
     * @param outputStream the output stream to write data to
     */
    void downloadObject(String objectName, OutputStream outputStream);

    /**
     * Deletes an object from storage.
     *
     * @param objectName the name/path of the object to delete
     */

        assertDoesNotThrow(() -> outputStream.write(data, 0, -1)); // negative length, returns early
        assertDoesNotThrow(() -> outputStream.write(data, 0, 0)); // zero length, returns early

        // These should pass through to the underlying implementation
        assertDoesNotThrow(() -> outputStream.write(data, 0, 10)); // valid - will consume first mock (10)

        connection.setUseCaches(useCaches);
    }

    private static class CacheStream extends OutputStream {

        private final OutputStream stream;

        private final OutputStream collector;

        public CacheStream(final OutputStream stream, final OutputStream collector) {
            this.stream = stream;
            this.collector = collector;
        }

        @Override

        write(XmlWriterRequest.<T>builder().content(content).path(path).build());
    }

    default void write(@Nonnull T content, @Nonnull OutputStream outputStream) throws XmlWriterException {
        write(XmlWriterRequest.<T>builder()
                .content(content)
                .outputStream(outputStream)
                .build());
    }

    default void write(@Nonnull T content, @Nonnull Writer writer) throws XmlWriterException {

        CloseableUtil.close((OutputStream) null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testClose_noThrowIOException() throws Exception {
        final OutputStream out = new IOExceptionOccurOutputStream();
        CloseableUtil.close(out);
    }

    private static class NotifyOutputStream extends OutputStream {
        private String notify_;

        @Override

     */
    public static int main(
            String[] args,
            ClassWorld world,
            @Nullable InputStream stdIn,
            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenUpCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenUpCling() {
        super();
    }

        outProperties.setProperty("a", "A");
        final File file = tempFolder.newFile("hoge.properties");
        final FileOutputStream outputStream = OutputStreamUtil.create(file);
        PropertiesUtil.store(outProperties, outputStream, "comments");
        CloseableUtil.close(outputStream);
        final Properties properties = new Properties();
        PropertiesUtil.load(properties, file);

            // When
            OutputStream os1 = mockResource.openOutputStream();
            OutputStream os2 = mockResource.openOutputStream(true);
            OutputStream os3 = mockResource.openOutputStream(false, 1);
            OutputStream os4 = mockResource.openOutputStream(true, 1, 2, 3);

            // Then