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