{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(alloc_decoding_session) = self.alloc_decoding_session {
    fn decode_alloc_id(&mut self) -> rustc_middle::mir::interpret::AllocId {
            alloc_decoding_session.decode_alloc_id(self)