text: import FWCore.ParameterSet.Config as cms
  
  from Configuration.Eras.Modifier_run2_common_cff import run2_common
  from Configuration.Eras.Modifier_run2_25ns_specific_cff import run2_25ns_specific
  from Configuration.Eras.Modifier_stage2L1Trigger_cff import stage2L1Trigger
  from Configuration.Eras.Modifier_ctpps_2016_cff import ctpps_2016
  
  Run2_2016 = cms.ModifierChain(run2_common, run2_25ns_specific, stage2L1Trigger, ctpps_2016)
  
  