export interface ScrollSpyOptions {
    navSelector?: string;
    containerId?: string;
    threshold?: number;
    offset?: number;
    activeClass?: string;
    activeParentClass?: string;
    smoothScroll?: boolean;
    onChange?: (activeId: string | null, link: HTMLElement | null) => void;
    updateHistory?: boolean;
}
export declare class ScrollSpyManager {
    private sections;
    private navLinks;
    private scrollContainer;
    private options;
    private ticking;
    private currentActiveId;
    constructor(options?: ScrollSpyOptions);
    static fromElements(sections: HTMLElement[], navLinksSelector: string, containerId?: string, thresholdOffset?: number): ScrollSpyManager;
    refresh(): void;
    scrollTo(sectionId: string): void;
    getActive(): string | null;
    destroy(): void;
    static init(): ScrollSpyManager[];
    private init;
    private findSections;
    private bindScrollListener;
    private bindLinkListeners;
    private handleScroll;
    private handleLinkClick;
    private updateActiveLink;
    private updateParentClasses;
}
export default ScrollSpyManager;
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