/**
 * Global Scroll Manager
 * Singleton that manages scroll events for all lazy-render components
 * Uses only 2 event listeners for ALL components (scroll + resize)
 */
export interface ScrollManagerConfig {
    scrollThrottle?: number;
    resizeDebounce?: number;
}
export interface ScrollListener {
    id: string;
    callback: (scrollTop: number, container: HTMLElement) => void;
    container: HTMLElement;
}
declare class GlobalScrollManagerClass {
    private static instance;
    private listeners;
    private scrollThrottle;
    private resizeDebounce;
    private scrollHandler;
    private resizeHandler;
    private isInitialized;
    private constructor();
    static getInstance(config?: ScrollManagerConfig): GlobalScrollManagerClass;
    /**
     * Register a scroll listener
     * Only 2 event listeners total (scroll + resize) for ALL components
     */
    register(id: string, container: HTMLElement, callback: (scrollTop: number, container: HTMLElement) => void): void;
    /**
     * Unregister a scroll listener
     */
    unregister(id: string): void;
    /**
     * Initialize global event listeners
     * Only called once, regardless of how many components
     */
    private initialize;
    /**
     * Cleanup event listeners
     */
    private cleanup;
    /**
     * Throttle helper
     */
    private throttle;
    /**
     * Debounce helper
     */
    private debounce;
    /**
     * Get stats
     */
    getStats(): {
        listenerCount: number;
        isInitialized: boolean;
    };
}
export declare const GlobalScrollManager: GlobalScrollManagerClass;
export default GlobalScrollManager;
//# sourceMappingURL=GlobalScrollManager.d.ts.map