func (m *MockBackoff) Duration() time.Duration {
	ret := m.ctrl.Call(m, "Duration")
	ret0, _ := ret[0].(time.Duration)
	return ret0
}
func (m *MockBackoff) Duration() time.Duration {
	ret := m.ctrl.Call(m, "Duration")
	ret0, _ := ret[0].(time.Duration)
	return ret0
}
// Duration mocks base method