"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 18:07:28.282755
"""

```python
from typing import Any, Callable, Optional


class FallbackExecutor:
    """
    A class for executing tasks with a fallback mechanism in case of errors.

    This implementation allows defining multiple fallback functions that are attempted
    sequentially until one succeeds or all fail.
    """

    def __init__(self):
        self.fallbacks: list[Callable] = []

    def add_fallback(self, func: Callable) -> None:
        """
        Add a fallback function to the executor.

        Args:
            func (Callable): The fallback function to be added. It should take no arguments.
        """
        self.fallbacks.append(func)

    def execute_with_fallbacks(self, task_func: Callable[[], Any]) -> Optional[Any]:
        """
        Execute the given task function with fallback mechanisms if it fails.

        Args:
            task_func (Callable): The main task to be executed. It should take no arguments and return any type.

        Returns:
            Optional[Any]: The result of the successfully executed task or None if all fallbacks failed.
        """
        try:
            return task_func()
        except Exception as e:
            for fallback in self.fallbacks:
                try:
                    return fallback()
                except Exception:
                    continue
            return None


# Example usage:

def main_task() -> int:
    """Simulate a task that might fail."""
    print("Executing main task...")
    if 1 == 2:  # Simulating failure for demonstration purposes.
        raise ValueError("Main task failed.")
    else:
        return 42


def fallback_task_1() -> int:
    """A simple fallback function."""
    print("Executing first fallback task...")
    return 30


def fallback_task_2() -> int:
    """Another fallback function."""
    print("Executing second fallback task...")
    return 56


fallback_executor = FallbackExecutor()
fallback_executor.add_fallback(fallback_task_1)
fallback_executor.add_fallback(fallback_task_2)

result = fallback_executor.execute_with_fallbacks(main_task)
print(f"Result: {result}")
```