docs: function latencyWindowReducer(topologyDescription, servers) {
    const low = servers.reduce(
      (min, server) => (min === -1 ? server.roundTripTime : Math.min(server.roundTripTime, min)),
      -1
    );
  
    const high = low + topologyDescription.localThresholdMS;
  
    return servers.reduce((result, server) => {
      if (server.roundTripTime <= high && server.roundTripTime >= low) result.push(server);
      return result;
    }, []);
  }