"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 18:30:48.093125
"""

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

class FallbackExecutor:
    """
    A class that provides a mechanism for executing functions with fallbacks in case of errors.
    
    Parameters:
        - default_value: The value to return if the primary function fails.
        - fallbacks: A dictionary where keys are exception classes and values are fallback functions.
    """

    def __init__(self, default_value: Any = None, fallbacks: Optional[Dict[type, Callable[..., Any]]] = None):
        self.default_value = default_value
        if fallbacks is None:
            fallbacks = {}
        self.fallbacks = fallbacks

    def with_fallback(self, primary_function: Callable[..., Any]) -> Callable[..., Any]:
        """
        Decorator to add a function as a fallback.

        Parameters:
            - primary_function: The function to be decorated.
        
        Returns:
            A wrapped function that can handle exceptions and provide fallbacks if needed.
        """

        def wrapper(*args, **kwargs) -> Any:
            try:
                return primary_function(*args, **kwargs)
            except Exception as e:
                for exception_class, fallback in self.fallbacks.items():
                    if isinstance(e, exception_class):
                        return fallback()
                return self.default_value

        return wrapper


# Example usage:

@FallbackExecutor(default_value="Default error message", fallbacks={ZeroDivisionError: lambda: "Divide by zero handled"})
def divide_and_execute(numerator: int, denominator: int) -> str:
    """
    Divides two numbers and returns the result.
    
    Parameters:
        - numerator: The number to be divided.
        - denominator: The number to divide by.

    Returns:
        A string representation of the division if successful; otherwise, a fallback message.
    """
    return f"Result: {numerator / denominator}"

# Test cases
print(divide_and_execute(10, 2))          # Should print "Result: 5.0"
print(divide_and_execute(10, 0))          # Should print "Divide by zero handled"

fallback_executor = FallbackExecutor(fallbacks={ValueError: lambda: "Invalid input provided"})
@fallback_executor.with_fallback
def convert_to_integer(input_str: str) -> int:
    """
    Converts a string to an integer.

    Parameters:
        - input_str: The string to be converted.

    Returns:
        An integer if conversion is successful; otherwise, a fallback message.
    """
    return int(input_str)

print(convert_to_integer("42"))           # Should print 42
print(convert_to_integer("not a number")) # Should print "Invalid input provided"
```