"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 08:27:29.157929
"""

```python
from typing import Any, Callable


class FallbackExecutor:
    """
    A class for executing a function with fallback options in case of errors.
    
    Attributes:
        primary_fn (Callable): The main function to be executed.
        fallback_fns (list[Callable]): List of functions that will be tried as fallbacks if the primary function fails.
        exception_types (tuple[type[BaseException]]): Tuple of exception types to catch during execution. If not specified, all exceptions are caught.

    Methods:
        execute: Attempts to execute the main function and uses a fallback if an error occurs.
    """

    def __init__(self, primary_fn: Callable, fallback_fns: list[Callable], exception_types: tuple[type[BaseException]] = ()):
        self.primary_fn = primary_fn
        self.fallback_fns = fallback_fns
        self.exception_types = exception_types

    def execute(self) -> Any:
        """
        Executes the main function and uses a fallback if an error occurs.
        
        Returns:
            The result of the successfully executed function or None in case no suitable fallback was available.

        Raises:
            Exception: If none of the fallbacks are successful and an exception is raised.
        """
        try:
            return self.primary_fn()
        except self.exception_types as e:
            for fallback_fn in self.fallback_fns:
                try:
                    return fallback_fn()
                except self.exception_types:
                    continue
            raise Exception("All fallback functions failed. Unable to recover from error.") from e


# Example usage

def main_function() -> int:
    """Main function that might fail due to intentional exception."""
    print("Executing primary function.")
    raise ValueError("This is a simulated failure.")


def fallback_function1() -> int:
    """First fallback function that returns 42 if it can't handle the error."""
    print("Fallback function 1 called. Handling potential errors.")
    return 42


def fallback_function2() -> int:
    """Second fallback function that prints an error and returns 0."""
    print("Fallback function 2 called. Unable to execute primary function.")
    raise ValueError("Falling back due to error.")


# Create instances of the fallback functions
fallbacks = [fallback_function1, fallback_function2]

# Initialize FallbackExecutor with the main function and its fallbacks
executor = FallbackExecutor(main_function, fallbacks)

# Execute the function using the executor
result = executor.execute()
print(f"Result: {result}")

```
```python
def main_function() -> int:
    """Main function that might fail due to intentional exception."""
    print("Executing primary function.")
    raise ValueError("This is a simulated failure.")


def fallback_function1() -> int:
    """First fallback function that returns 42 if it can't handle the error."""
    print("Fallback function 1 called. Handling potential errors.")
    return 42


def fallback_function2() -> int:
    """Second fallback function that prints an error and returns 0."""
    print("Fallback function 2 called. Unable to execute primary function.")
    raise ValueError("Falling back due to error.")


# Create instances of the fallback functions
fallbacks = [fallback_function1, fallback_function2]

# Initialize FallbackExecutor with the main function and its fallbacks
executor = FallbackExecutor(main_function, fallbacks)

# Execute the function using the executor
result = executor.execute()
print(f"Result: {result}")
```