"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 08:57:20.006186
"""

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


class FallbackExecutor:
    """
    A class for managing fallback execution in case of errors or limitations.
    
    This class allows defining a primary function and one or more fallback functions to be used if the primary
    function fails or does not meet certain conditions. The first successful fallback is executed and its result returned.

    :param primary_func: Callable that is primarily tried for execution
    :param fallbacks: List of (condition, fallback_function) tuples, where condition is a boolean expression evaluated after primary_func
    """

    def __init__(self, primary_func: Callable[..., Any], fallbacks: Dict[Callable[[Any], bool], Callable[..., Any]]):
        self.primary_func = primary_func
        self.fallbacks = fallbacks

    def execute(self) -> Any:
        """
        Execute the primary function and handle any failures by attempting fallback functions.
        
        :return: Result of the first successfully executed function, or None if all fail
        """
        try:
            result = self.primary_func()
            return result
        except Exception as e:
            for condition, fallback in self.fallbacks.items():
                try:
                    if condition(result):
                        return fallback(result)
                except Exception as e:
                    continue  # Try the next fallback if current one fails
            return None


# Example usage:

def primary_function(x: int) -> str:
    """Primary function to process an integer."""
    if x < 0:
        raise ValueError("Input must be non-negative.")
    return f"Processed {x} successfully."

def fallback_1(result: Any) -> str:
    """Fallback for non-negative inputs, returns a different message."""
    return "Processing was successful but with a different result."

def fallback_2(result: Any) -> str:
    """Fallback for any other cases."""
    return "An unexpected error occurred during processing."

# Define the fallbacks dictionary
fallback_functions = {
    lambda r: True: fallback_1,
    lambda r: False: fallback_2
}

# Create an instance of FallbackExecutor with primary and fallback functions
executor = FallbackExecutor(primary_function, fallback_functions)

# Execute the setup
result = executor.execute()

print(result)  # Should print "Processed 0 successfully." for non-negative input

```