<?php
  
  namespace Illuminate\Contracts\Foundation;
  
  use Illuminate\Contracts\Container\Container;
  
  interface Application extends Container
  {
      /**
       * Get the version number of the application.
       *
       * @return string
       */
      public function version();
  
      /**
       * Get the base path of the Laravel installation.
       *
       * @param  string  $path
       * @return string
       */
      public function basePath($path = '');
  
      /**
       * Get the path to the bootstrap directory.
       *
       * @param  string  $path  Optionally, a path to append to the bootstrap path
       * @return string
       */
      public function bootstrapPath($path = '');
  
      /**
       * Get the path to the application configuration files.
       *
       * @param  string  $path  Optionally, a path to append to the config path
       * @return string
       */
      public function configPath($path = '');
  
      /**
       * Get the path to the database directory.
       *
       * @param  string  $path  Optionally, a path to append to the database path
       * @return string
       */
      public function databasePath($path = '');
  
      /**
       * Get the path to the resources directory.
       *
       * @param  string  $path
       * @return string
       */
      public function resourcePath($path = '');
  
      /**
       * Get the path to the storage directory.
       *
       * @return string
       */
      public function storagePath();
  
      /**
       * Get or check the current application environment.
       *
       * @param  string|array  $environments
       * @return string|bool
       */
      public function environment(...$environments);
  
      /**
       * Determine if the application is running in the console.
       *
       * @return bool
       */
      public function runningInConsole();
  
      /**
       * Determine if the application is running unit tests.
       *
       * @return bool
       */
      public function runningUnitTests();
  
      /**
       * Determine if the application is currently down for maintenance.
       *
       * @return bool
       */
      public function isDownForMaintenance();
  
      /**
       * Register all of the configured providers.
       *
       * @return void
       */
      public function registerConfiguredProviders();
  
      /**
       * Register a service provider with the application.
       *
       * @param  \Illuminate\Support\ServiceProvider|string  $provider
       * @param  bool  $force
       * @return \Illuminate\Support\ServiceProvider
       */
      public function register($provider, $force = false);
  
      /**
       * Register a deferred provider and service.
       *
       * @param  string  $provider
       * @param  string|null  $service
       * @return void
       */
      public function registerDeferredProvider($provider, $service = null);
  
      /**
       * Resolve a service provider instance from the class name.
       *
       * @param  string  $provider
       * @return \Illuminate\Support\ServiceProvider
       */
      public function resolveProvider($provider);
  
      /**
       * Boot the application's service providers.
       *
       * @return void
       */
      public function boot();
  
      /**
       * Register a new boot listener.
       *
       * @param  callable  $callback
       * @return void
       */
      public function booting($callback);
  
      /**
       * Register a new "booted" listener.
       *
       * @param  callable  $callback
       * @return void
       */
      public function booted($callback);
  
      /**
       * Run the given array of bootstrap classes.
       *
       * @param  array  $bootstrappers
       * @return void
       */
      public function bootstrapWith(array $bootstrappers);
  
      /**
       * Get the current application locale.
       *
       * @return string
       */
      public function getLocale();
  
      /**
       * Get the application namespace.
       *
       * @return string
       *
       * @throws \RuntimeException
       */
      public function getNamespace();
  
      /**
       * Get the registered service provider instances if any exist.
       *
       * @param  \Illuminate\Support\ServiceProvider|string  $provider
       * @return array
       */
      public function getProviders($provider);
  
      /**
       * Determine if the application has been bootstrapped before.
       *
       * @return bool
       */
      public function hasBeenBootstrapped();
  
      /**
       * Load and boot all of the remaining deferred providers.
       *
       * @return void
       */
      public function loadDeferredProviders();
  
      /**
       * Set the current application locale.
       *
       * @param  string  $locale
       * @return void
       */
      public function setLocale($locale);
  
      /**
       * Determine if middleware has been disabled for the application.
       *
       * @return bool
       */
      public function shouldSkipMiddleware();
  
      /**
       * Terminate the application.
       *
       * @return void
       */
      public function terminate();
  }