syntax_data: {"ast_node_type":"variable","tokens":[{"end":52,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                     if let Some(ns) = defkind.ns() {
context_before:                 def::Res::Def(defkind, def_id) => {
context_after:                         collect_fn(&child.ident, ns, def_id);