{"ast_node_type":"variable","tokens":[{"end":91,"kind":"keyword","start":0,"text":"let"}]}
        let krate = self.sema.scope(expr.syntax()).map(|it| it.krate()).unwrap_or_else(|| {
            .original;
            hir::Crate::from(*self.sema.db.all_crates().last().expect("no crate graph present"))