import { ControlApi } from '../api/ControlApi';
import { BaseValidatedClass } from '../BaseValidatedClass';
import { ImmutableHtmlNode } from '../modifications/ImmutableNode';
export declare class Control extends BaseValidatedClass {
    /** Provides access to editor functionalities specific to this UI control instance. */
    api: ControlApi;
    /** List of methods that must be implemented by subclasses */
    private static readonly REQUIRED_METHODS;
    constructor();
    /**
     * @description Allows to determine if control should be visible or hidden in control panel.
     * Called on every node modification.
     */
    isVisible(_node: ImmutableHtmlNode): boolean;
    /**
     * Optional hook called when the control is initially rendered.
     * Use this for setup tasks like attaching event listeners to the control's template elements.
     */
    onRender(): void;
    /**
     * Optional cleanup hook called when the control is being destroyed.
     * Use this to remove event listeners or perform other cleanup tasks.
     */
    onDestroy(): void;
    /**
     * Gets the unique identifier for this UI control type.
     * This ID is used for registration and referencing.
     * @returns A unique string ID.
     */
    getId(): string;
    /**
     * Gets the HTML template string that defines the structure of this UI control,
     * typically containing one or more UI elements (e.g., `<UE-TEXT>`, `<UE-BUTTON>`).
     * @returns An HTML string.
     */
    getTemplate(): string;
    /**
     * Hook called whenever the underlying template node associated with this control's context
     * (e.g., the selected block's  HTMLnode) is updated.
     * Implement this to react to changes in the block/structure and update the control's UI elements accordingly.
     * @param node - The updated immutable HTML node representing the control's context.
     */
    onTemplateNodeUpdated(_node: ImmutableHtmlNode): void;
    /**
     * Lifecycle hook called when any part of the document template has changed.
     * This can be frequent; use cautiously for performance-sensitive operations.
     * @param _node - The immutable HTML node representing current node instance
     */
    onDocumentChanged(_node: ImmutableHtmlNode): void;
}