two-way drag and drop from tree views on PrimeNG 2.0.3

[timtom]

I am having trouble finding examples to see how to go about setting up a two-way drag and drop from 2 tree views using primeNG 2.0.3. I only see a sample for drag and drop to data table. This doesn't suite my requirement. Any help would be appreciated.

thanks.

[timtom]

What is the lowest version of PrimeNG where Tree drag and drop supported. I prefer a version that can work in Angular 2. Please let me know. I have looked at the docs for drag and drop between two trees:

https://www.primefaces.org/primeng/#/tree

[timtom]

Only supported on Release 4.0.RC1. Can you use release 4.0 RC1 in Angular 2 or do you need angular 4?