import Component from '../core/Component.js';
/**
 * Component that holds metadata like tags and rendering order.
 */
export default class TagComponent extends Component {
    /** A unique identifier for the object type. */
    tag: string;
    /** Hidden identifier linking runtime object to its source code location. */
    sourceId?: string;
    private _zIndex;
    /** Rendering order (lower is background, higher is foreground). */
    get zIndex(): number;
    set zIndex(val: number);
    constructor(tag?: string, zIndex?: number, sourceId?: string);
}