assertFalse(fieldConfigs.getConfig("foo").map(FieldConfigs.Config::isOverwrite).orElse(false));
    }

    @Test
    public void test_cache() {
        final Map<String, String> params = Maps.of("foo", "cache");
        FieldConfigs fieldConfigs = new FieldConfigs(params);
        assertTrue(fieldConfigs.getConfig("test").isEmpty());

    void testBufferReuse() {
        // Given
        byte[] originalBuffer = testCache.getBuffer();

        // When - release and get again
        testCache.releaseBuffer(originalBuffer);
        byte[] reusedBuffer = testCache.getBuffer();

        // Then
        assertSame(originalBuffer, reusedBuffer, "Released buffer should be reused");
    }

    /**

.idea
.ipynb_checkpoints
.mypy_cache
.vscode
__pycache__
.pytest_cache
htmlcov
dist
site
.coverage*
coverage.xml
.netlify
test.db
log.txt
Pipfile.lock
env3.*
env
docs_build
site_build
venv
docs.zip
archive.zip

# vim temporary files
*~
.*.sw?
.cache

# macOS
.DS_Store

        queryCommand.setLowercaseWildcard(true);

        assertEquals("testcase", queryCommand.toLowercaseWildcard("TestCase"));
        assertEquals("test_case", queryCommand.toLowercaseWildcard("Test_Case"));
        assertEquals("test-case", queryCommand.toLowercaseWildcard("Test-Case"));
    }

    @Test
    public void test_toLowercaseWildcard_internationalCharacters() {

        chain.add((text, field, langs) -> text.replace(" ", "_"));

        String result = chain.normalize("  TEST CASE  ", "field");

        assertEquals("test_case", result);
    }

    @Test
    public void test_nullInput() throws Exception {
        NormalizerChain chain = new NormalizerChain();
        chain.add(new FullWidthToHalfWidthAlphabetNormalizer());

    val ctxt = InstrumentationRegistry.getInstrumentation().targetContext.applicationContext

    val cacheSize = 1L * 1024 * 1024 // 1MB
    val cache = Cache(ctxt.cacheDir.resolve("testCache"), cacheSize)

    try {
      client =
        client
          .newBuilder()
          .cache(cache)
          .build()

      val request =
        Request