export declare const classes: {
    track: string;
    block: string;
    corner: string;
    scroller: string;
    scrollerWrapper: string;
    trackX: string;
    trackY: string;
    thumb: string;
} & {
    root: string;
};
export declare function useStyle({ size }: {
    size: string;
}): import("@emotion/utils").SerializedStyles;