{"ast_node_type":"function","tokens":[{"end":61,"kind":"keyword","start":0,"text":"fn"}]}
    fn trait_decls(&self, crate_num: CrateNum) -> TraitDecls;
    fn all_trait_decls(&self) -> TraitDecls;
    fn trait_decl(&self, trait_def: &TraitDef) -> TraitDecl;