syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"find_capture_matching_projections(&cx.upvars,"}]}
source_snippet:         find_capture_matching_projections(&cx.upvars, var_hir_id, projection)
context_before:     let Some((capture_index, capture)) =
context_after:     else {