assertNull(response.get("message"));
    }

    @Test
    public void test_sendSseEvent_basic() {
        final StringWriter stringWriter = new StringWriter();
        final PrintWriter writer = new PrintWriter(stringWriter);

        chatApiManager.sendSseEvent(writer, "test", Map.of("key", "value"));

        final String output = stringWriter.toString();
        assertTrue(output.contains("event: test"));

    private StringWriter stringWriter;
    private PrintWriter printWriter;
    private ByteArrayOutputStream outputStream;
    private ServletOutputStream servletOutputStream;

    @BeforeEach
    void setUp() throws Exception {
        // Setup response writers
        stringWriter = new StringWriter();
        printWriter = new PrintWriter(stringWriter);
        outputStream = new ByteArrayOutputStream();

  public void testLineReading() throws IOException {
    File temp = createTempFile();
    assertThat(Files.readFirstLine(temp, UTF_8)).isNull();
    assertTrue(Files.readLines(temp, UTF_8).isEmpty());

    PrintWriter w = new PrintWriter(Files.newWriter(temp, UTF_8));
    w.println("hello");
    w.println("");
    w.println(" world  ");
    w.println("");
    w.close();

        });

        reportErrors(errors, getReportFile().get().getAsFile());
    }

    private void reportErrors(Map<File, List<Error>> errors, File reportFile) {
        try (PrintWriter fw = new PrintWriter(new FileWriter(reportFile))) {
            writeHeader(fw);
            if (errors.isEmpty()) {
                fw.println("All clear!");
                return;
            }

        assertEquals("test", o2);
    }

    @Test
    public void testLoadSave() throws IOException {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        pw.println("# ");
        pw.println("# The Main  ");
        pw.println("# ");
        pw.println("# Comment ");
        pw.println("# ");
        pw.println("");

        }
        return Optional.empty();
    }

    @Override
    public void warnAboutDeprecatedOptions(ParserRequest request, Consumer<String> printWriter) {
        if (cliManager.getUsedDeprecatedOptions().isEmpty()) {
            return;
        }
        printWriter.accept("Detected deprecated option use in " + source);
        for (Option option : cliManager.getUsedDeprecatedOptions()) {

            Path logFile = context.cwd.resolve(context.options().logFile().get());
            try {
                PrintWriter printWriter = new PrintWriter(Files.newBufferedWriter(logFile), true);
                context.closeables.add(printWriter);
                return printWriter::println;
            } catch (IOException e) {
                throw new MavenException("Unable to redirect logging to " + logFile, e);

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.api.chat;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;

import org.apache.logging.log4j.LogManager;

    public Set<Option> getUsedDeprecatedOptions() {
        return usedDeprecatedOptions;
    }

    public void displayHelp(PrintStream stdout) {
        displayHelp(new PrintWriter(stdout));
    }

    public void displayHelp(PrintWriter pw) {
        HelpFormatter formatter = new HelpFormatter();

        int width = MessageUtils.getTerminalWidth();
        if (width <= 0) {

        private int status = 200;
        private final Map<String, String> headers = new HashMap<>();
        private final StringWriter stringWriter = new StringWriter();
        private final PrintWriter writer = new PrintWriter(stringWriter);

        @Override
        public void setStatus(int sc) {
            this.status = sc;
        }

        @Override
        public int getStatus() {