{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":".chain(tcx.exported_generic_symbols(cnum))"}]}
            .chain(tcx.exported_generic_symbols(cnum))
            .iter()
            .filter_map(|&(s, info): &(ExportedSymbol<'_>, SymbolExportInfo)| {