import { ButtonSize, ButtonEmphasis } from '../../utils/constants';
/**
 * @slot default - Child buttons or links.
 */
export declare class NvButtongroup {
    el: HTMLNvButtongroupElement;
    private mutationObserver;
    /****************************************************************************/
    /**
     * Determines how large or small all the buttons appear, allowing for
     * customization of the button's dimensions to fit different design
     * specifications and user needs.
     */
    readonly size: `${ButtonSize}`;
    /**
     * Adjusts the emphasis of all the buttons to make it more or less visually
     * prominent to users. Use this to draw attention to important actions or
     * reduce focus on less critical ones
     */
    readonly emphasis: `${ButtonEmphasis}`;
    /**
     * Allows the button group to stretch and fill the entire width of its
     * container.
     */
    readonly fluid: boolean;
    /**
     * Determines the orientation of the button group. When enabled, the buttons
     * are stacked vertically rather than aligned side by side.
     */
    readonly orientation: 'vertical' | 'horizontal';
    /****************************************************************************/
    /**
     * Forwards the buttongroup properties to all child elements
     */
    private forwardPropsToChildren;
    /**
     * Sets up the MutationObserver to watch for changes in child elements
     */
    private setupMutationObserver;
    /****************************************************************************/
    onEmphasisChange(): void;
    onSizeChange(): void;
    onFluidChange(): void;
    /****************************************************************************/
    componentWillLoad(): void;
    disconnectedCallback(): void;
    /****************************************************************************/
    /****************************************************************************/
    render(): any;
}