"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 14:47:50.108994
"""

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

class FallbackExecutor:
    """
    A class for executing functions with fallback mechanisms in case of errors.

    Attributes:
        primary_func (Callable): The main function to execute.
        fallback_funcs (Dict[str, Callable]): Dictionary mapping error types to fallback functions.

    Methods:
        run: Executes the primary function or a fallback function if an error occurs.
    """

    def __init__(self, primary_func: Callable[..., Any], fallback_funcs: Dict[str, Callable[..., Any]]):
        self.primary_func = primary_func
        self.fallback_funcs = fallback_funcs

    def run(self) -> Optional[Any]:
        try:
            return self.primary_func()
        except Exception as e:
            error_type = type(e).__name__
            if error_type in self.fallback_funcs:
                print(f"Primary function failed with {error_type}. Attempting fallback.")
                return self.fallback_funcs[error_type]()
            else:
                print(f"No fallback for {error_type} available. Raising the original exception.")
                raise e

# Example usage
def divide_numbers(a: int, b: int) -> float:
    """Divide two numbers."""
    return a / b

def safe_divide(a: int, b: int) -> float:
    """Safe division function to use as fallback."""
    if b == 0:
        print("Division by zero detected. Returning None.")
        return None
    return a / b

# Create instances of functions
divide = divide_numbers
safe_divide_fallback = safe_divide

# Set up FallbackExecutor with primary and fallbacks
executor = FallbackExecutor(
    primary_func=divide,
    fallback_funcs={"ZeroDivisionError": safe_divide_fallback}
)

try:
    result = executor.run(a=5, b=0)
except Exception as e:
    print(f"Caught exception: {e}")

# Expected output:
# Division by zero detected. Returning None.
```