Add parameters to the transmuter. Additional parameters are stored in
        the as_dict() output.

        Args:
            key: The key for the parameter.
            value: The value for the parameter.

def set_parameter(self, key, value):
        """
        Add parameters to the transmuter. Additional parameters are stored in
        the as_dict() output.

        Args:
            key: The key for the parameter.
            value: The value for the parameter.
        """
        for x in self.transformed_structures:
            x.other_parameters[key] = value