import { PropertyValues } from 'lit';
import { SpectrumElement } from '../../element/index.js';
import { AssetVariant } from './Asset.types.js';
export declare abstract class AssetBase extends SpectrumElement {
    /**
     * @internal
     *
     * A readonly array of all valid variants for the asset.
     *
     * This is an actual internal property, intended not for customer use
     */
    static readonly VARIANTS: readonly AssetVariant[];
    /**
     * The variant of the asset. When not provided, slot content is rendered (e.g., an image).
     */
    variant: AssetVariant | undefined;
    /**
     * Accessible label for the asset’s file or folder variant.
     */
    label: string;
    protected updated(changes: PropertyValues): void;
}