{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"source_map.expansions().filter(|(ast,"}]}
        source_map.expansions().filter(|(ast, _)| ast.file_id == file_id).for_each(
        let (_, source_map) = db.trait_signature_with_source_map(*self);
            |(ast, &exp_id)| {