SocialiteProviders / Manager

src/ServiceProvider.php

<?php

namespace SocialiteProviders\Manager;

use Laravel\Socialite\SocialiteServiceProvider;
use SocialiteProviders\Manager\Contracts\Helpers\ConfigRetrieverInterface;
use SocialiteProviders\Manager\Helpers\ConfigRetriever;

class ServiceProvider extends SocialiteServiceProvider
{
    /**
     * Bootstrap the provider services.
     */
    public function boot()
    {
        if ($this->app instanceof \Illuminate\Foundation\Application) {

The class Illuminate\Foundation\Application does not exist. Did you forget a USE statement, or did you not list all dependencies?

            // Laravel
            $this->app->booted(function () {
                $socialiteWasCalled = app(SocialiteWasCalled::class);

                event($socialiteWasCalled);
            });
        } else {
            // Lumen
            $socialiteWasCalled = app(SocialiteWasCalled::class);

            event($socialiteWasCalled);
        }
    }

    /**
     * Register the provider services.
     */
    public function register()
    {
        parent::register();

        if (class_exists('Laravel\Lumen\Application') && !defined('SOCIALITEPROVIDERS_STATELESS')) {
            define('SOCIALITEPROVIDERS_STATELESS', true);
        }

        if (!$this->app->bound(ConfigRetrieverInterface::class)) {
            $this->app->singleton(ConfigRetrieverInterface::class, function () {
                return new ConfigRetriever();
            });
        }
    }
}