syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"upvars.get_by_key_enumerated(var_hir_id.0.local_id).find(|(_,"}]}
source_snippet:     upvars.get_by_key_enumerated(var_hir_id.0.local_id).find(|(_, capture)| {
context_after:         let possible_ancestor_proj_kinds: Vec<_> =