code: function initFromTraversalState(self, t) {
    self.aborted = false;
    self.adapter = t.adapter;
    self.body = t.body;
    self.callbackHasBeenCalledAfterAbort = false;
    self.autoHeaders = t.autoHeaders;
    self.contentNegotiation = t.contentNegotiation;
    self.rawPayload = t.rawPayload;
    self.convertResponseToObjectFlag = t.convertResponseToObject;
    self.links = [];
    self.jsonParser =  t.jsonParser;
    self.requestModuleInstance = t.requestModuleInstance,
    self.requestOptions = t.requestOptions,
    self.resolveRelativeFlag = t.resolveRelative;
    self.preferEmbedded = t.preferEmbedded;
    self.startUrl = t.startUrl;
    self.templateParameters = t.templateParameters;
  }
docs: /*
  Copy configuration from traversal state to builder instance to
  prepare for next traversal process.