export interface VirtualA11yConfig {
    itemCount: number;
    role?: 'list' | 'grid';
}
export declare function useVirtualContainerA11y({ itemCount, role }: VirtualA11yConfig): {
    role: "grid" | "list";
    'aria-rowcount': number | undefined;
    'aria-setsize': number | undefined;
};
export declare function useVirtualItemA11y(index: number, itemCount: number, role?: 'list' | 'grid'): {
    role: string;
    'aria-posinset': number;
    'aria-setsize': number;
    tabIndex: number;
};
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