where can i find my bootstrap file after install in laravel code example

Example 1: laravel bootstrap ui

// Generate basic scaffolding...
php artisan ui bootstrap
php artisan ui vue
php artisan ui react

// Generate login / registration scaffolding...
php artisan ui bootstrap --auth
php artisan ui vue --auth
php artisan ui react --auth

Example 2: install bootstrap in laravel

composer require laravel/ui
php artisan ui bootstrap # to install the auth scaffoldings line 3 instead
php artisan ui bootstrap --auth
npm install