@syncfusion/ej2-angular-calendars/schematics/collection.json

A complete package of date or time components with built-in features such as date formatting, inline editing, multiple (range) selection, range restriction, month and year selection, strict mode, and globalization. for Angular

{
                "$schema": "./node_modules/@angular-devkit/schematics/collection-schema.json",
                "schematics": {
                  "ng-add": {
                    "description": "Adds Essential JS 2 specific Angular package to an application",
                    "factory": "./ng-add",
                    "schema": "./ng-add/schema.json"
                  }
                }
              }