export type UseScrollableTextOptions = {
    textLength: number;
    viewportHeight: number;
    signature: string;
};
export type UseScrollableTextResult = {
    scrollOffset: number;
    canScroll: boolean;
    maxScrollOffset: number;
    pageStep: number;
};
export declare function useScrollableText({ textLength, viewportHeight, signature, }: UseScrollableTextOptions): UseScrollableTextResult;