import { LitElement } from '../../../../../node_modules/lit';
import { AlertPalette, AlertPart, AlertStatus, AlertVariant, SbAlertProps as Props } from './alert.types';
/**
 * Displays a brief, important message for users in an unobtrusive manner.
 *
 * @part alert - rtg-alert: root
 * @part alert-icon - svg
 * @part alert-title - rtg-alert-title
 * @part alert-description - rtg-alert-description
 */
export declare class SbAlert extends LitElement implements Props {
    static readonly ROOT = "alert";
    static readonly ICON = "icon";
    static readonly TITLE = "title";
    static readonly DESCRIPTION = "description";
    static readonly TAG: string;
    static readonly PARTS: Record<AlertPart, string>;
    /**
     * Substring used in generated part IDs.
     */
    seed: string;
    /**
     * Custom ID used as the root part ID and as the base of subpart IDs.
     */
    customId?: string;
    /**
     * Status communicated by the alert component.
     */
    status: AlertStatus;
    /**
     * Color palette used by the alert component.
     */
    palette: AlertPalette;
    /**
     * Visual variant of the alert component.
     */
    variant: AlertVariant;
    /**
     * Text used in the title part of alert.
     */
    private _title?;
    private get _defaultTitle();
    get title(): string;
    set title(value: string | null | undefined);
    /**
     * Text used in the description part of alert.
     */
    description?: string;
    /**
     * Whether the icon part of alert is rendered.
     */
    icon?: boolean;
    protected createRenderRoot(): this;
    get rootId(): string;
    get iconId(): string;
    get titleId(): string;
    get descriptionId(): string;
    private get _rootVariant();
    private _renderIcon;
    render(): import('../../../../../node_modules/lit-html').TemplateResult<1>;
}