When reporting a bug, include:

• Operating system and version (Windows, Mac OS X, Android, iOS, etc...): irrelevant - MacOS
• Browser and version (Chrome, Firefox, Safari, IE, MS Edge, Opera 15+, Android Browser): irrelevant - Chrome
• Reduced test cases and potential fixes using CodePen or JS Bin
  

@coreui/react definitions file doesn't export <CDropdownDivider> nor `