import { LauncherAR } from "../../ar/launcher-ar";
import { DecodedConfiguratorState } from "../../util/configurator-state";
import type PlattarEmbed from "../plattar-embed";
export declare enum ControllerState {
    None = 0,
    Renderer = 1,
    QRCode = 2
}
export interface QRCodeOptions {
    readonly color: string;
    readonly qrType: string;
    readonly shorten: boolean;
    readonly margin: number;
    readonly detached: boolean;
    readonly url?: string | null;
}
/**
 * All Plattar Controllers are derived from the same interface
 */
export declare abstract class PlattarController {
    /**
     * Default QR Code rendering options
     */
    protected _GetDefaultQROptions(opt?: QRCodeOptions | undefined | null): QRCodeOptions;
    private readonly _parent;
    protected _state: ControllerState;
    protected _element: HTMLElement | null;
    protected _prevQROpt: any;
    private _selectVariationObserver;
    private _selectVariationIDObserver;
    private _selectVariationSKUObserver;
    constructor(parent: PlattarEmbed);
    /**
     * Generates a brand new Configurator State from the provided SceneID or inputted Configurator State
     */
    protected createConfiguratorState(): Promise<DecodedConfiguratorState>;
    /**
     * Generates and returns a new instance of the ConfiguratorState for this node
     */
    abstract getConfiguratorState(): Promise<DecodedConfiguratorState>;
    /**
     * Called by the parent when a HTML Attribute has changed and the controller
     * requires an update
     */
    abstract onAttributesUpdated(attributeName: string): Promise<void>;
    /**
     * Start the underlying Plattar Renderer for this Controller
     */
    abstract startRenderer(): Promise<HTMLElement>;
    /**
     * Setup messenger observers to detect variation changes and apply to the internal
     * configuration state
     */
    protected setupMessengerObservers(viewer: any, configState: DecodedConfiguratorState): void;
    /**
     * Remove all pre-existing observers
     */
    protected removeMessengerObservers(): void;
    /**
     * Initialise and start AR mode if available
     */
    startAR(): Promise<void>;
    /**
     * Start Rendering a QR Code with the provided options
     * @param options (optional) - The QR Code Options
     */
    abstract startViewerQRCode(options: QRCodeOptions | undefined | null): Promise<HTMLElement>;
    /**
     * Decide which QR Code to render according to the qr-type attribute
     * @param options
     * @returns
     */
    startQRCode(options: QRCodeOptions): Promise<HTMLElement>;
    /**
     * Displays a QR Code that sends the user direct to AR
     * @param options
     * @returns
     */
    startARQRCode(options: QRCodeOptions): Promise<HTMLElement>;
    /**
     * Initialise and return a launcher that can be used to start AR
     */
    abstract initAR(): Promise<LauncherAR>;
    /**
     * Removes the currently active renderer view from the DOM
     */
    removeRenderer(): boolean;
    /**
     * Get the underlying renderer component (if any)
     */
    abstract get element(): HTMLElement | null;
    /**
     * Returns the Parent Instance
     */
    get parent(): PlattarEmbed;
    /**
     * Returns the specified attribute from the parent
     * @param attribute - The name of the attribute
     * @returns - The attribute value or null
     */
    getAttribute(attribute: string): string | null;
    /**
     * Returns the specified attribute from the parent as a boolean
     * @param attribute - The name of the attribute
     * @returns - The attribute value
     */
    getBooleanAttribute(attribute: string): boolean;
    /**
     * Sets a particular attribute into the HTML DOM
     *
     * @param attribute - The name of the attribute
     * @param value - The value of the attribute
     */
    setAttribute(attribute: string, value: string): void;
    /**
     * Removes a particular attribute from HTML DOM
     *
     * @param attribute - The name of the attribute
     */
    removeAttribute(attribute: string): void;
    /**
     * Appends the provided element into the shadow-root of the parent element
     * @param element - The element to append
     */
    append(element: HTMLElement): void;
    /**
     *
     * @param element
     */
    removeChild(element: HTMLElement): void;
}