{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"EdgeFilter::new(&string).unwrap_or_else(|e|"}]}
                EdgeFilter::new(&string).unwrap_or_else(|e| bug!("invalid filter: {}", e));
            let edge_filter =
            let sources = node_set(query, &edge_filter.source);