app/node_modules/@angular/cdk/schematics/collection.json

{
  "$schema": "./node_modules/@angular-devkit/schematics/collection-schema.json",
  "schematics": {
    "ng-add": {
      "description": "Installs the Angular CDK",
      "factory": "./ng-add/index",
      "schema": "./ng-add/schema.json",
      "aliases": ["install"],
      "hidden": true
    },
    "drag-drop": {
      "description": "Generates a component using the Drag and Drop module",
      "factory": "./ng-generate/drag-drop/index",
      "schema": "./ng-generate/drag-drop/schema.json",
      "aliases": ["dragdrop", "drag-and-drop"]
    }
  }
}