Return a modifier from a signature
        Args:
            modifier_name (str): signature of the modifier
        Returns:
            Modifier

def get_modifier_from_signature(self, modifier_signature):
        """
            Return a modifier from a signature
        Args:
            modifier_name (str): signature of the modifier
        Returns:
            Modifier
        """
        return next((m for m in self.modifiers if m.full_name == modifier_signature), None)