import * as React from 'react';
/** @tier Certified. Server-safe: no hooks, no 'use client'.
   REQ-CMP-39: flat — no SurfaceGroup wrapper; data-orientation (Base-UI
   convention, matches radio-group/slider/separator); joined styling via the
   ag-button-group--attached class instead of data-attached. */
type Labeled = {
    /** Accessible name, required when there is no visible label. */
    'aria-label': string;
    /** Id of the element that provides the accessible name. */
    'aria-labelledby'?: never;
} | {
    'aria-label'?: never;
    'aria-labelledby': string;
};
export type ButtonGroupProps = Labeled & {
    /** Direction in which the buttons are laid out. */
    orientation?: 'horizontal' | 'vertical' | undefined;
    /** Visually join children (default true). Concentric shape via CSS only — no roving focus. */
    attached?: boolean | undefined;
    /** Class name merged onto the root element. */
    className?: string | undefined;
    /** Content rendered inside the component. */
    children?: React.ReactNode;
    /** Ref to the rendered root element. */
    ref?: React.Ref<HTMLDivElement> | undefined;
};
export declare function ButtonGroup({ orientation, attached, className, children, ref, ...rest }: ButtonGroupProps): React.JSX.Element;
export {};
//# sourceMappingURL=ButtonGroup.d.ts.map