{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"cx.on_stack_params.borrow_mut().insert("}]}
        cx.on_stack_params.borrow_mut().insert(
            cx.context.new_function_pointer_type(None, return_type, &arguments_type, is_c_variadic);
            pointer_type.dyncast_function_ptr_type().expect("function ptr type"),