interface KernelInterface

interface KernelInterface extends HttpKernelInterface {
    
    /**
     * Returns an array of bundles to register.
     *
     * @return iterable<mixed, BundleInterface>
     */
    public function registerBundles() : iterable;
    
    /**
     * Loads the container configuration.
     *
     * @return void
     */
    public function registerContainerConfiguration(LoaderInterface $loader);
    
    /**
     * Boots the current kernel.
     *
     * @return void
     */
    public function boot();
    
    /**
     * Shutdowns the kernel.
     *
     * This method is mainly useful when doing functional testing.
     *
     * @return void
     */
    public function shutdown();
    
    /**
     * Gets the registered bundle instances.
     *
     * @return array<string, BundleInterface>
     */
    public function getBundles() : array;
    
    /**
     * Returns a bundle.
     *
     * @throws \InvalidArgumentException when the bundle is not enabled
     */
    public function getBundle(string $name) : BundleInterface;
    
    /**
     * Returns the file path for a given bundle resource.
     *
     * A Resource can be a file or a directory.
     *
     * The resource name must follow the following pattern:
     *
     *     "@BundleName/path/to/a/file.something"
     *
     * where BundleName is the name of the bundle
     * and the remaining part is the relative path in the bundle.
     *
     * @throws \InvalidArgumentException if the file cannot be found or the name is not valid
     * @throws \RuntimeException         if the name contains invalid/unsafe characters
     */
    public function locateResource(string $name) : string;
    
    /**
     * Gets the environment.
     */
    public function getEnvironment() : string;
    
    /**
     * Checks if debug mode is enabled.
     */
    public function isDebug() : bool;
    
    /**
     * Gets the project dir (path of the project's composer file).
     */
    public function getProjectDir() : string;
    
    /**
     * Gets the current container.
     */
    public function getContainer() : ContainerInterface;
    
    /**
     * Gets the request start time (not available if debug is disabled).
     */
    public function getStartTime() : float;
    
    /**
     * Gets the cache directory.
     *
     * Since Symfony 5.2, the cache directory should be used for caches that are written at runtime.
     * For caches and artifacts that can be warmed at compile-time and deployed as read-only,
     * use the new "build directory" returned by the {@see getBuildDir()} method.
     */
    public function getCacheDir() : string;
    
    /**
     * Returns the build directory.
     *
     * This directory should be used to store build artifacts, and can be read-only at runtime.
     * Caches written at runtime should be stored in the "cache directory" ({@see KernelInterface::getCacheDir()}).
     */
    public function getBuildDir() : string;
    
    /**
     * Gets the log directory.
     */
    public function getLogDir() : string;
    
    /**
     * Gets the charset of the application.
     */
    public function getCharset() : string;

}