text: import FWCore.ParameterSet.Config as cms
  
  from RecoBTag.ImpactParameter.jetProbabilityComputer_cfi import *
  
  # negativeOnlyJetProbability btag computer
  negativeOnlyJetProbabilityComputer = jetProbabilityComputer.clone(
      trackIpSign = -1 ## 0 = use both, 1 = positive only, -1 = negative only
  )
  