{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"self.by_key(sym::rustc_legacy_const_generics)"}]}
        self.by_key(sym::rustc_legacy_const_generics)
    pub fn rustc_legacy_const_generics(&self) -> Option<Box<Box<[u32]>>> {
            .tt_values()