syntax_data: {"ast_node_type":"variable","tokens":[{"end":42,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let mut has_global_bounds = false;
context_before:             .filter_map(|c| if let ParamCandidate(p) = c.candidate { Some(p) } else { None });
context_after:         let mut param_candidate = None;