{"ast_node_type":"variable","tokens":[{"end":38,"kind":"keyword","start":0,"text":"let"}]}
        let term = if covfun.is_used {
    let counter_for_bcb = |bcb: BasicCoverageBlock| -> ffi::Counter {
            ids_info.term_for_bcb[bcb].expect("every BCB in a mapping was given a term")