syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"DefKind::AssocConst"}]}
source_snippet:             DefKind::AssocConst | DefKind::AssocFn | DefKind::AssocTy => {
context_before:         let mode = match tcx.def_kind(item) {
context_after:                 CollectionMode::ImplTraitInAssocTypes