{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"B::OpaqueDef::new(self.create_def_id(did))"}]}
        B::OpaqueDef::new(self.create_def_id(did))
    pub fn opaque_def(&mut self, did: rustc_span::def_id::DefId) -> B::OpaqueDef {
    }