code: function pushContext(data) {
                          
                          // Some data is not needed on subchildren
                          if (depth === 0) {
                              data.timestamp = Date.now() - responseEndTime;
                              data.loadingStep = phantomas.currentStep || '';
                          }
  
                          // Some data is not needed on subchildren
                          if (depth > 0) {
                              if (data.backtrace) {
                                  delete data.backtrace;
                              }
                              if (data.resultsNumber) {
                                  delete data.resultsNumber;
                              }
                          }
  
                          currentContext.addChild(data);
                      }
docs: Add a child but don't enter its context