{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"let"}]}
    let parent_id = tcx.hir_get_parent_item(hir_id).def_id;
    let hir_id = tcx.local_def_id_to_hir_id(def_id);
    tcx.hir_node_by_def_id(parent_id).body_id().map(|body_id| {