syntax_data: {"ast_node_type":"other","tokens":[{"end":26,"kind":"keyword","start":0,"text":"predicates.extend("}]}
source_snippet:         predicates.extend(
context_before:     if tcx.is_conditionally_const(def_id) {
context_after:             tcx.const_conditions(def_id).instantiate_identity(tcx).into_iter().map(