interface AttachedAssetsInterface

interface AttachedAssetsInterface {
    
    /**
     * Creates an AttachedAssetsInterface object from a render array.
     *
     * @param array $render_array
     *   A render array.
     *
     * @return static
     *
     * @throws \LogicException
     */
    public static function createFromRenderArray(array $render_array);
    
    /**
     * Sets the asset libraries attached to the current response.
     *
     * @param string[] $libraries
     *   A list of libraries, in the order they should be loaded.
     *
     * @return $this
     */
    public function setLibraries(array $libraries);
    
    /**
     * Returns the asset libraries attached to the current response.
     *
     * @return string[]
     */
    public function getLibraries();
    
    /**
     * Sets the JavaScript settings that are attached to the current response.
     *
     * @param array $settings
     *   The needed JavaScript settings.
     *
     * @return $this
     */
    public function setSettings(array $settings);
    
    /**
     * Returns the settings attached to the current response.
     *
     * @return array
     */
    public function getSettings();
    
    /**
     * Sets the asset libraries that the current request marked as already loaded.
     *
     * @param string[] $libraries
     *   The set of already loaded libraries.
     *
     * @return $this
     */
    public function setAlreadyLoadedLibraries(array $libraries);
    
    /**
     * Returns the set of already loaded asset libraries.
     *
     * @return string[]
     */
    public function getAlreadyLoadedLibraries();

}