import { FASTElement } from '@microsoft/fast-element';
import { MessageBarIntent, MessageBarLayout, MessageBarShape } from './message-bar.options.js';
/**
 * A Message Bar Custom HTML Element.
 *
 * @tag fluent-message-bar
 *
 * @slot actions - Content that can be provided for the actions
 * @slot dismiss - Content that can be provided for the dismiss button
 * @slot icon - Content that can be provided for the leading icon
 * @slot - The default slot for the content
 * @fires { CustomEvent } dismiss - Fired when the message bar is dismissed.
 * @public
 */
export declare class MessageBar extends FASTElement {
    /**
     * The internal {@link https://developer.mozilla.org/en-US/docs/Web/API/ElementInternals | `ElementInternals`} instance for the component.
     *
     * @internal
     */
    elementInternals: ElementInternals;
    constructor();
    /**
     * Sets the shape of the Message Bar.
     *
     * @public
     * @remarks
     * HTML Attribute: `shape`
     */
    shape?: MessageBarShape;
    /**
     * Sets the layout of the control.
     *
     * @public
     * @remarks
     * HTML Attribute: `layout`
     */
    layout?: MessageBarLayout;
    /**
     * Sets the intent of the control.
     *
     * @public
     * @remarks
     * HTML Attribute: `intent`
     */
    intent?: MessageBarIntent;
    /**
     * Method to emit a `dismiss` event when the message bar is dismissed
     *
     * @public
     */
    dismissMessageBar: () => void;
}