{"ast_node_type":"variable","tokens":[{"end":87,"kind":"keyword","start":0,"text":"let"}]}
        let (kind, metadata_index) = if source_file.is_imported() && !s.is_proc_macro {
        // the information we need to decode `Span`s is stored in the proc-macro crate.
            // To simplify deserialization, we 'rebase' this span onto the crate it originally came