diff --git a/examples/complex_project/main.py b/examples/complex_project/main.py
new file mode 100644
index 0000000..59d3251
--- /dev/null
+++ b/examples/complex_project/main.py
@@ -0,0 +1,33 @@
+"""
+Main entry point for the application.
+"""
+
+from typing import Dict, Any
+from .config import AppConfig
+from .core import Application
+from .utils import Logger
+
+
+def main() -> None:
+    """Main entry point."""
+    logger = Logger("Main")
+    logger.info("Starting application...")
+
+    config = AppConfig(
+        debug=True,
+        max_retries=5,
+        timeout=60
+    )
+
+    app = Application(config)
+
+    try:
+        app.run()
+        logger.info("Application completed successfully")
+    except Exception as e:
+        logger.error(f"Application failed: {e}")
+        raise
+
+
+if __name__ == "__main__":
+    main()