assertTrue(thumbnailJob.cleanup);
    }

    // Test execute method with successful execution
    @Test
    public void test_execute_success() {
        // Create necessary directories in temp dir
        new File(tempDir, "WEB-INF/lib").mkdirs();
        new File(tempDir, "WEB-INF/env/thumbnail/lib").mkdirs();
        new File(tempDir, "WEB-INF/plugin").mkdirs();

    private final AtomicLong leaseDowngrades = new AtomicLong();
    
    // Getters and increment methods
}
```

## 12. Future Enhancements

1. **Directory Leases**: Extend lease support for directories
2. **Lease Key Persistence**: Save lease keys for reconnection
3. **Parent-Child Relationships**: Implement hierarchical leases
4. **Lease Sharing**: Support lease sharing across handles

import org.codelibs.core.zip.ZipFileUtil;
import org.codelibs.core.zip.ZipInputStreamUtil;

/**
 * Utility for traversing collections of classes and resources on the file system or inside JAR files.
 * <p>
 * Target directories on the file system or JAR files are provided as {@link URL}. The appropriate {@link Traverser} is returned depending on the protocol of the URL, and you can traverse classes and resources by calling its methods.
 * </p>
 * <p>

 │  fastapi run                                        │
 │                                                     │
 ╰─────────────────────────────────────────────────────╯

INFO:     Will watch for changes in these directories: ['/home/user/code/awesomeapp']
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [2248755] using WatchFiles
INFO:     Started server process [2248757]

		// even when compressing an empty string.
		fh.Method = Store
		fh.Flags &^= 0x8 // we will not write a data descriptor

		// Explicitly clear sizes as they have no meaning for directories.
		fh.CompressedSize = 0
		fh.CompressedSize64 = 0
		fh.UncompressedSize = 0
		fh.UncompressedSize64 = 0

		ow = dirWriter{}
	} else {
		fh.Flags |= 0x8 // we will write a data descriptor

 │  fastapi run                                        │
 │                                                     │
 ╰─────────────────────────────────────────────────────╯

INFO:     Will watch for changes in these directories: ['/home/user/code/awesomeapp']
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [2248755] using WatchFiles
INFO:     Started server process [2248757]

        if (tempDir != null && tempDir.exists()) {
            deleteDirectory(tempDir);
        }
        super.tearDown(testInfo);
    }

    private void createRequiredDirectories() {
        // Create necessary directories for SuggestJob execution
        new File(tempDir, "WEB-INF/lib").mkdirs();
        new File(tempDir, "WEB-INF/env/suggest/lib").mkdirs();
        new File(tempDir, "WEB-INF/plugin").mkdirs();
    }

    @Test
    public void test_atomicCreateDirectories_nestedPath() throws Exception {
        // Test that Files.createDirectories creates nested directories atomically
        Path tempDir = Files.createTempDirectory("toctou_cmd_test");
        try {
            Path nestedPath = tempDir.resolve("a").resolve("b").resolve("c");
            assertFalse(Files.exists(nestedPath));

 │  fastapi run                                        │
 │                                                     │
 ╰─────────────────────────────────────────────────────╯

INFO:     Will watch for changes in these directories: ['/home/user/code/awesomeapp']
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [2248755] using WatchFiles
INFO:     Started server process [2248757]

 │  fastapi run                                        │
 │                                                     │
 ╰─────────────────────────────────────────────────────╯

INFO:     Will watch for changes in these directories: ['/home/user/code/awesomeapp']
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [2248755] using WatchFiles
INFO:     Started server process [2248757]