laravel pagination problem in blade

@if ($items->hasPages())
    <div class="pagination-wrapper">
         {{ $items->links() }}
    </div>
@endif

/**
 * AppServiceProvider.php
 */

use Illuminate\Pagination\Paginator; // Don't forget this

public function boot ()
{
      Paginator::useBootstrap();	// Add this
}

use Illuminate\Pagination\Paginator;

public function boot()
{
     Paginator::useBootstrap();
}