export default {
  kSocketId: Symbol('socket id'),
  kSocketStartTime: Symbol('socket start time'),
  kSocketConnectedTime: Symbol('socket connected time'),
  kSocketConnectErrorTime: Symbol('socket connectError time'),
  kSocketRequestEndTime: Symbol('socket request end time'),
  kSocketLocalAddress: Symbol('socket local address'),
  kSocketLocalPort: Symbol('socket local port'),
  kSocketConnectHost: Symbol('socket connect params: host'),
  kSocketConnectPort: Symbol('socket connect params: port'),
  kSocketConnectProtocol: Symbol('socket connect params: protocol'),
  kHandledRequests: Symbol('handled requests per socket'),
  kHandledResponses: Symbol('handled responses per socket'),
  kRequestSocket: Symbol('request on the socket'),
  kRequestId: Symbol('request id'),
  kRequestStartTime: Symbol('request start time'),
  kEnableRequestTiming: Symbol('enable request timing or not'),
  kRequestTiming: Symbol('request timing'),
  kRequestOriginalOpaque: Symbol('request original opaque'),
  kRequestInternalOpaque: Symbol('request internal opaque'),
  kErrorSocket: Symbol('socket of error'),
};