import { Widget } from '../widgets/Widget.js';
import type { LayerInit } from '../core/LayerInit.js';
/**
 * A validator function which checks whether an input value is a
 * {@link LayerInit}. Doesn't stop the validator chain.
 *
 * @category XML
 */
export declare function validateLayerInit(value: unknown): [value: LayerInit<Widget>, stop: boolean];