message: Added key to remove react warning
diff: @@ -113,6 +113,7 @@ class NavigationMotion extends React.Component<any, any> {
  children(tweenStyle, scene, key, state, data)
  )).concat(
  sharedElementMotion && sharedElementMotion({
  + key: 'sharedElements',
  sharedElements: !this.state.rest ? this.getSharedElements() : [],
  duration: this.getPropValue(duration, stateContext.state, stateContext.data),
  easing: this.getPropValue(easing, stateContext.state, stateContext.data)
  