code: func (m *MockLambdaAPI) ListFunctions(arg0 *lambda.ListFunctionsInput) (*lambda.ListFunctionsOutput, error) {
  	ret := m.ctrl.Call(m, "ListFunctions", arg0)
  	ret0, _ := ret[0].(*lambda.ListFunctionsOutput)
  	ret1, _ := ret[1].(error)
  	return ret0, ret1
  }
docs: // ListFunctions mocks base method