syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"sorted_candidates:"}]}
source_snippet:         sorted_candidates: &FxIndexMap<TestBranch<'tcx>, Vec<&mut Candidate<'tcx>>>,
context_before:         candidate: &mut Candidate<'tcx>,
context_after:     ) -> Option<TestBranch<'tcx>> {