{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"(Name::new_symbol_root(sym::i64),"}]}
            (Name::new_symbol_root(sym::i64),   BuiltinType::Int(BuiltinInt::I64)),
            (Name::new_symbol_root(sym::i32),   BuiltinType::Int(BuiltinInt::I32)),
            (Name::new_symbol_root(sym::i128),  BuiltinType::Int(BuiltinInt::I128)),