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