{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"t.0.do_stuff();"}]}
    t.0.do_stuff();             // deref, parens
    let v: i32 = t.4.value;     // no deref, no parens
    let v: i32 = t.2?;          // deref, parens