Unable to import this plugin in ts file

[subodh-kumar-tfs]

Can you please help in integrating this plugin in ts file?
I'm using Angular-slickgrid and there none of the drag events getting fired.

The lib version used in my app are:

Angular-slickgrid: ^2.7.2
jQuery: ^3.4.1
Angular: ~7.2.0
Typescript: ~3.2.2

Any help appreciated?