syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":".filter_map(|item|"}]}
source_snippet:                 .filter_map(|item| {
context_before:                 .iter()
context_after:                     if !matches!(tcx.def_kind(item.owner_id), DefKind::AssocFn) {