if (!isTarget(path)) {
            return null;
        }

        return newDictionaryFile(encodePath(path), path, timestamp);
    }

    /**
     * Encodes a file path using Base64 URL-safe encoding.
     *
     * @param path the file path to encode
     * @return the Base64 encoded path
     */
    protected String encodePath(final String path) {

- Use behavior classes to access OpenSearch

### Helpers
- Cross-cutting utilities in `helper.*`
- Stateless, injected via DI
- Access via `ComponentUtil.getFooHelper()`

## Development Notes

- **Code Style**: Enforced by `mvn formatter:format`
- **License Headers**: Required (Apache 2.0) - use `mvn license:format`
- **Logging**: Log4j2 - `src/main/resources/log4j2.xml`

        assertEquals(0, queryList.size());
    }

    // Additional tests for createSuggestTextId boundary cases
    @Test
    public void testCreateSuggestTextIdBoundaryExactly445() {
        // Create text that encodes to exactly 445 characters
        // Base64 encoding increases size by ~4/3, so original size should be ~333 bytes
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 333; i++) {

        final String userDir = System.getProperty("user.dir");
        final File targetDir = new File(userDir, "target");
        return new File(targetDir, "logs").getAbsolutePath();
    }

    /**
     * Encodes a URL path for filtering.
     *
     * @param path The path to encode.
     * @return The encoded path.
     */
    public String encodeUrlFilter(final String path) {

     */
    public static void replace(final List<AvPair> pairs, final AvPair rep) {
        remove(pairs, rep.getType());
        pairs.add(rep);
    }

    /**
     * Encodes a list of AV pairs into byte array format
     *
     * @param pairs the list of AV pairs to encode
     * @return encoded avpairs
     */
    public static byte[] encode(final List<AvPair> pairs) {

import java.util.ResourceBundle;

import org.codelibs.core.io.ResourceBundleUtil;
import org.codelibs.core.misc.DisposableUtil;
import org.codelibs.core.misc.LocaleUtil;

/**
 * Class for assembling messages from message codes and arguments.
 *
 * @author higa
 */
public abstract class MessageFormatter {

    /**
     * Do not instantiate.
     */
    protected MessageFormatter() {
    }

        @DisplayName("Should parse various node formats")
        void testFromReferralWithVariousNodeFormats(String node) {
            when(mockReferral.getTtl()).thenReturn(300);
            when(mockReferral.getRFlags()).thenReturn(0);
            when(mockReferral.getNode()).thenReturn(node);

            DfsReferralDataImpl result =

    // Provides file names and whether a simple name-based filter should accept them
    private static Stream<Arguments> nameCases() {
        return Stream.of(Arguments.of("readme.txt", true), Arguments.of("notes.log", false), Arguments.of("", false),
                Arguments.of(null, false));
    }

    @Test
    @DisplayName("accept: returns true for directories; verifies isDirectory is invoked")

                }
                query = buf.toString();
                request.setAttribute(key, query);
            }
            return query;
        }).orElse(null);
    }

    /**
     * Encodes a string to URL-safe Base64 format.
     *
     * @param value the string to encode
     * @return Base64 encoded string, or empty string if value is null
     */
    public static String base64(final String value) {

                    final Node node = nodeList.item(i);
                    if ("timestamp".equalsIgnoreCase(node.getNodeName())) {
                        timestamp = node.getTextContent();
                    } else if ("buildNumber".equalsIgnoreCase(node.getNodeName())) {
                        buildNumber = node.getTextContent();
                    }
                }
            }