{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"(Name::new_symbol_root(sym::f128),"}]}
            (Name::new_symbol_root(sym::f128), BuiltinType::Float(BuiltinFloat::F128)),
            (Name::new_symbol_root(sym::f64), BuiltinType::Float(BuiltinFloat::F64)),
        ]