params.put(ExtractData.RESOURCE_NAME_KEY, "filename.txt");

        final ExtractData result = filenameExtractor.getText(in, params);

        assertNotNull(result);
        assertEquals("filename.txt", result.getContent());
        // Verify stream was not consumed
        assertEquals(testData.length, in.available());
    }

    /**
     * Test extraction with empty string filename.
     */

        if (StringUtil.isNotBlank(logFilePath) && isLogFilename(filename)) {
            final Path path = Paths.get(logFilePath, filename);
            return asStream(filename).contentTypeOctetStream().stream(out -> {
                try (InputStream in = Files.newInputStream(path)) {
                    out.write(in);
                }
            });
        }

 */
public interface MimeTypeHelper {
    /**
     * Determines the content type of the given input stream and filename.
     * @param is the input stream to analyze
     * @param filename the filename to help determine the content type
     * @return the detected content type
     */
    String getContentType(InputStream is, String filename);

    /**

		// Initialize accumulator
		e.aggregate = newAggVal(funcName)

		var exprA qProp
		if funcName == aggFnCount {
			if e.Count.StarArg {
				return qProp{isAggregation: true}
			}

			exprA = e.Count.ExprArg.analyze(s)
		} else {
			if len(e.SFunc.ArgsList) != 1 {
				return qProp{err: fmt.Errorf("%s takes exactly one argument", funcName)}
			}
			exprA = e.SFunc.ArgsList[0].analyze(s)
		}

/**
 * Extracts the filename from the parameters as the content.
 *
 * <p>This extractor is useful when you want to index only the filename or resource name
 * without processing the actual file content. The input stream is validated but not
 * read - only the filename from the parameters is used as the extracted content.</p>
 *
 * <p>The filename is retrieved from the {@link ExtractData#RESOURCE_NAME_KEY} parameter.

 *
 * @author mbechler
 */
public class FileRenameInformation2 implements FileInformation {

    private boolean replaceIfExists;
    private String fileName;

    /**
     * Default constructor for decoding.
     */
    public FileRenameInformation2() {
    }

    /**
     * Constructs file rename information.
     *
     * @param name the new file name

    }

    /**
     * Normalizes the filename by replacing special characters.
     * @param filename The filename to normalize.
     * @return The normalized filename.
     */
    protected String normalizeFilename(final String filename) {
        if (StringUtil.isBlank(filename)) {
            return filename;
        }
        final StringBuilder buf = new StringBuilder(filename.length() + 10);

func testAddr2Line(t *testing.T, dbgExePath, addr string) {
	funcName, srcPath, srcLineNo := runAddr2Line(t, dbgExePath, addr)
	if symName != funcName {
		t.Fatalf("expected function name %v; got %v", symName, funcName)
	}
	fi1, err := os.Stat("addr2line_test.go")
	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}

	// Debug paths are stored slash-separated, so convert to system-native.
	srcPath = filepath.FromSlash(srcPath)

	sqlFnToTimestamp FuncName = "TO_TIMESTAMP"
	sqlFnUTCNow      FuncName = "UTCNOW"

	// String
	sqlFnCharLength      FuncName = "CHAR_LENGTH"
	sqlFnCharacterLength FuncName = "CHARACTER_LENGTH"
	sqlFnLower           FuncName = "LOWER"
	sqlFnSubstring       FuncName = "SUBSTRING"
	sqlFnTrim            FuncName = "TRIM"
	sqlFnUpper           FuncName = "UPPER"
)

var (

    void testFilenameHandling(String filename) {
        // Test various filename formats
        trans2FindNext2 = new Trans2FindNext2(config, TEST_SID, TEST_RESUME_KEY, filename, TEST_BATCH_COUNT, TEST_BATCH_SIZE);

        byte[] buffer = new byte[1024];
        int written = trans2FindNext2.writeParametersWireFormat(buffer, 0);

        // Verify filename is written and can be read back