{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"Ok(Some(Param::from_self(AttrVec::default(),"}]}
        Ok(Some(Param::from_self(AttrVec::default(), eself, eself_ident)))
        let eself = source_map::respan(eself_lo.to(eself_hi), eself);
    }