How to print Node Wrapper using map parameter in Reactflowrenderer?

elements.map((el, key) =>


el.flowId === currentFlowId ? <NodeWrapper /> : null

)

Example not working.

Compiled with problems
ERROR in ./src/component/FlowChart/SingleFlow.js 10:93-104
export ‘NodeWrapper’ (imported as ‘NodeWrapper’) was not found in ‘react-flow-renderer’