old_contents: import StopViewerOverlay from '@opentripplanner/stop-viewer-overlay'
  import DefaultStopMarker from '@opentripplanner/stop-viewer-overlay/lib/default-stop-marker'
  import { connect } from 'react-redux'
  
  // connect to the redux store
  
  const mapStateToProps = (state, ownProps) => {
    const viewedStop = state.otp.ui.viewedStop
    return {
      stopData: viewedStop
        ? state.otp.transitIndex.stops[viewedStop.stopId]
        : null,
      StopMarker: DefaultStopMarker
    }
  }
  
  const mapDispatchToProps = {}
  
  export default connect(mapStateToProps, mapDispatchToProps)(StopViewerOverlay)
  
new_contents: import StopViewerOverlay from '@opentripplanner/stop-viewer-overlay'
  import DefaultStopMarker from '@opentripplanner/stop-viewer-overlay/lib/default-stop-marker'
  import { connect } from 'react-redux'
  
  // connect to the redux store
  
  const mapStateToProps = (state, ownProps) => {
    const viewedStop = state.otp.ui.viewedStop
    return {
      stop: viewedStop
        ? state.otp.transitIndex.stops[viewedStop.stopId]
        : null,
      StopMarker: DefaultStopMarker
    }
  }
  
  const mapDispatchToProps = {}
  
  export default connect(mapStateToProps, mapDispatchToProps)(StopViewerOverlay)
  
subject: Fix prop name for overlay.