import { UIElementApi } from '../api/UIElementApi';
import { BaseValidatedClass } from '../BaseValidatedClass';
export declare class UIElement extends BaseValidatedClass {
    /** Provides access to editor functionalities specific to this UI element instance. */
    api: UIElementApi;
    /** List of methods that must be implemented by subclasses */
    private static readonly REQUIRED_METHODS;
    constructor();
    /**
     * Called when the UI element should render its content into the provided container.
     * @param container - The HTMLElement where the UI element should be rendered.
     */
    onRender(_container: HTMLElement): void;
    /**
     * Optional cleanup hook called when the UI element is being destroyed.
     * Use this to remove event listeners or perform other cleanup tasks.
     */
    onDestroy(): void;
    /**
     * Optional method to get the current value of the UI element.
     * Implement this if the element manages a state or value (e.g., input fields).
     * @returns The current value of the element.
     */
    getValue(): any;
    /**
     * Optional method to set the value of the UI element.
     * Implement this if the element manages a state or value and needs to be updated externally.
     * @param value - The new value to set.
     */
    setValue(_value: any): void;
    /**
     * @description Optional hook called when one of the element's supported attributes ({@link UEAttr}) gets updated externally.
     * Implement this to react to attribute changes (e.g., visibility, disabled state).
     * @param name - The name of the attribute that was updated.
     * @param value - The new value of the attribute.
     */
    onAttributeUpdated(_name: string, _value: unknown): void;
    /**
     * Gets the unique identifier for this UI element type.
     * This ID is used for registration and referencing within controls.
     * @returns A unique string ID.
     */
    getId(): string;
    /**
     * Gets the HTML template string that defines the structure of this UI element.
     * @returns An HTML string.
     */
    getTemplate(): string;
}