import * as React from 'react';

type ButtonGroupOrientation = 'horizontal' | 'vertical';
/**
 * What a ButtonGroup hands its segments: its `color` and `size` as their
 * defaults, its variant as the `band` a segment sits on — so the segment can
 * re-ink itself on a solid band, and can tell that it sits on a soft or
 * surface tint, without depending on DOM ancestry — and its orientation for
 * the separator.
 *
 * `band`, `color` and `size` are typed as plain strings here, deliberately.
 * This module ships as a supporting file of every popup in the package (each
 * one resets the context at its portal — see `ButtonGroupBoundary`), and even
 * a type-only import of Button or ButtonGroup from here would make them a
 * registry dependency of Tooltip, Select and the rest. button.tsx narrows the
 * fields to its own unions at the one place it reads them.
 */
type ButtonGroupContextValue<Color = string, Size = string> = {
    band: string;
    color?: Color | null;
    size?: Size | null;
    variant?: string | null;
    orientation: ButtonGroupOrientation;
};
/**
 * Provided by ButtonGroup and read by Button and ButtonLink, which render as
 * segments while it is set. `null` outside a group, and again inside a
 * `ButtonGroupBoundary`.
 */
declare const ButtonGroupContext: React.Context<ButtonGroupContextValue<string, string> | null>;
/**
 * Stops a ButtonGroup's context at a portal.
 *
 * React context follows the component tree, not the DOM. A Popover, Sheet,
 * Tooltip or Drawer opened from a segment renders its contents through a
 * portal, so without this its own Buttons would render as segments too:
 * squared, shadowless, ghost, and under a solid group inked in the band's
 * label colour on whatever surface the popup has. Every popup in this package
 * wraps its portal contents in this boundary; an overlay from another
 * library, opened from inside a group, should do the same.
 */
declare function ButtonGroupBoundary({ children }: {
    children: React.ReactNode;
}): React.JSX.Element;

export { ButtonGroupBoundary, ButtonGroupContext, type ButtonGroupContextValue, type ButtonGroupOrientation };