i am trying to add the drag-drop feature in my Angular 6 application where i am trying to use angular material this is the overview link which i want to use. I followed the getting started instruction's but i am not able to use the "@angular/cdk/drag-drop" i tried installing the bellow package
npm install --save @angular/material @angular/cdk @angular/animations
and
npm install --save @angular/cdk
but the bellow folder is still missing
import {DragDropModule} from '@angular/cdk/drag-drop';
the drag-drop is not available in my project even after following the steps. can anyone help me with that