import { type VariantProps } from '@svelte-thing/component-utils';
import type { Exact } from '@svelte-thing/type-utils';
export declare const buttonGroupVariants: (props?: ({
    orientation: "horizontal" | "vertical" | null | undefined;
} & {
    class: import("svelte/elements").ClassValue | null | undefined;
}) | undefined) => string;
export type StyleRootProps = VariantProps<typeof buttonGroupVariants>;
export declare function styleRoot<T extends StyleRootProps>(props: Exact<StyleRootProps, T>): {
    props: {
        readonly class: string;
        'data-slot': string;
    };
};