Idea Summary
group-able and searchable shuttle like select2
Use Case
When you have shuttle options into some groups at left side, User can select a particular group of items at a time and also he can navigate to options for specific group options
Preferred Solution (Optional)
Shuttle left side component should be equal to select2 with option of selecting multiple options at a time and also user can select a group's checkbox, then all options' check boxes of that group should be selected