code: function addPageSetsModule(clientFramework) {
      let appModulePath;
      try {
          if (clientFramework !== 'angular1') {
              appModulePath = `${CLIENT_MAIN_SRC_DIR}app/app.module.ts`;
              const fullPath = path.join(process.cwd(), appModulePath);
  
              let args = {
                  file: appModulePath
              };
  
              args.haystack = this.fs.read(fullPath);
  
              args.needle = `import { ${this.angularXAppName}EntityModule } from './entities/entity.module';`;
              args.splicable = [`import { ${this.angularXAppName}PageSetsModule } from './pages/page-sets.module';`]
              args.haystack = jhipsterUtils.rewrite(args);
  
              args.needle = `${this.angularXAppName}AccountModule,`;
              args.splicable = [`${this.angularXAppName}PageSetsModule,`]
              args.haystack = jhipsterUtils.rewrite(args);
  
              this.fs.write(fullPath, args.haystack);
  
          }
      } catch (e) {
          this.log(`${chalk.yellow('\nUnable to find ') + appModulePath + chalk.yellow('. Reference to PageSets module not added to App module.\n')}`);
          this.log('Error:', e);
      }
  }
docs: Add pageSets module to app module.
  
  @param {string} clientFramework - The name of the client framework