def param_type(self, name):
self._ensure_loaded()<EOL>if name not in self.annotated_params:<EOL><INDENT>return None<EOL><DEDENT>return self.annotated_params[name].type_name<EOL>
Get the parameter type information by name.

        Args:
            name (str): The full name of a parameter.

        Returns:
            str: The type name or None if no type information is given.