code: func (m *MockIOUtil) TempFile(arg0, arg1 string) (oswrapper.File, error) {
  	ret := m.ctrl.Call(m, "TempFile", arg0, arg1)
  	ret0, _ := ret[0].(oswrapper.File)
  	ret1, _ := ret[1].(error)
  	return ret0, ret1
  }
docs: // TempFile mocks base method