import { Rule } from '@angular-devkit/schematics';
import { Schema } from '../schema';
/**
 * Patches main application module by adding 'SunbirdPdfPlayerModule' import.
 *
 * Relevant 'angular.json' structure is:
 *
 * {
 *   "projects" : {
 *     "projectName": {
 *       "architect": {
 *         "build": {
 *           "options": {
 *            "main": "src/main.ts"
 *           }
 *         }
 *       }
 *     }
 *   },
 *   "defaultProject": "projectName"
 * }
 *
 */
export declare function addSppModuleToAppModule(options: Schema): Rule;