code: func (_m *ChainReplicator) ReplicateChains(lastConfigBlock *common.Block, chains []string) []string {
  	ret := _m.Called(lastConfigBlock, chains)
  
  	var r0 []string
  	if rf, ok := ret.Get(0).(func(*common.Block, []string) []string); ok {
  		r0 = rf(lastConfigBlock, chains)
  	} else {
  		if ret.Get(0) != nil {
  			r0 = ret.Get(0).([]string)
  		}
  	}
  
  	return r0
  }
docs: // ReplicateChains provides a mock function with given fields: lastConfigBlock, chains