2. Click on '....'
3. Scroll down to '....'
4. See error

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Environment (please complete the following information):**
 - OS: [e.g. Windows 10]
 - Version [e.g. 3.5.0]

**Additional context**

2. Click on '....'
3. Scroll down to '....'
4. See error

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Environment (please complete the following information):**
 - OS: [e.g. Windows 10]
 - Version [e.g. 13.5.0]

**Additional context**

    }

    @Override
    public ActionFuture<ExplainResponse> explain(final ExplainRequest request) {
        return client.explain(request);
    }

    @Override
    public void explain(final ExplainRequest request, final ActionListener<ExplainResponse> listener) {
        client.explain(request, listener);
    }

    @Override
    public ClearScrollRequestBuilder prepareClearScroll() {

        assertContentType("text/plain", "test/text1.txt", "hoge.txt");
        assertContentType("text/plain", null, "hoge.txt");
        assertContentType("text/html", "html/test1.html", "hoge.html");
        assertContentType("text/html", "html/test1.html", "hoge.htm");
        assertContentType("text/html", "html/test1.shtml", "hoge.shtml");

        assertContentType("text/plain", "test/text1.txt", "hoge.doc");

#smart.deploy.mode.location = maihama_env.properties: lasta_di.smart.deploy.mode

# package for smart deploy target e.g. org.docksidestage.app
smart.package1 = org.codelibs.fess.crawler

        ExtractorFactory extractorFactory = container.getComponent("extractorFactory");
        TikaExtractor tikaExtractor = container.getComponent("tikaExtractor");
        extractorFactory.addExtractor("text/plain", tikaExtractor);
        extractorFactory.addExtractor("text/html", tikaExtractor);
    }

    public void test_name() {
        assertEquals("textTransformer", textTransformer.getName());
    }

        try (final ResponseData responseData = storageClient.doGet("storage://fess/file1.txt")) {
            assertEquals("storage://fess/file1.txt", responseData.getUrl());
            assertEquals("text/plain", responseData.getMimeType());
            assertEquals("file1", new String(InputStreamUtil.getBytes(responseData.getResponseBody())));
            assertEquals(5, responseData.getContentLength());

        contentLengthHelper = container.getComponent("contentLengthHelper");
    }

    public void test_getMaxLength() {
        final String mimeType = "text/plain";

        assertEquals(DEFAULT_MAX_LENGTH, contentLengthHelper.getMaxLength(mimeType));
        contentLengthHelper.addMaxLength(mimeType, 1000L);
        assertEquals(1000L, contentLengthHelper.getMaxLength(mimeType));
    }

    <glob pattern="*.xconf"/>
    <sub-class-of type="text/plain"/>
  </mime-type>

  <mime-type type="text/css">
    <_comment>Cascading Style Sheet</_comment>
    <glob pattern="*.css"/>
    <sub-class-of type="text/plain"/>
  </mime-type>

  <mime-type type="text/csv">
    <glob pattern="*.csv"/>
    <sub-class-of type="text/plain"/>
  </mime-type>

  <mime-type type="text/directory"/>

import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.ExtractException;

/**
 * Extracts text content from an input stream as plain text.
 */
public class TextExtractor extends AbstractExtractor {

    /**
     * The encoding for text.
     */
    protected String encoding = Constants.UTF_8;

    /**