syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"candidate:"}]}
source_snippet:         candidate: &mut Candidate<'tcx>,
context_before:         test: &Test<'tcx>,
context_after:         sorted_candidates: &FxIndexMap<TestBranch<'tcx>, Vec<&mut Candidate<'tcx>>>,