/**
 * DOM Observer
 * Watches for dynamically added content using MutationObserver
 * Triggers translation of new content (AJAX, SPA navigation, etc.)
 */
export interface DOMObserverCallbacks {
    onNewContent?: (element: Element) => void;
    onNewSwitchers?: () => void;
}
export declare class DOMObserver {
    private observer;
    private callbacks;
    private debounceTimer;
    private pendingElements;
    private debounceMs;
    constructor(callbacks: DOMObserverCallbacks, debounceMs?: number);
    /**
     * Start observing DOM changes
     */
    start(): void;
    /**
     * Stop observing
     */
    stop(): void;
    /**
     * Handle DOM mutations
     */
    private handleMutations;
    /**
     * Schedule debounced processing of pending elements
     */
    private scheduleFlush;
    /**
     * Process all pending elements
     */
    private flushPendingElements;
    /**
     * Check if element or children are language switchers
     */
    private hasLanguageSwitcher;
}
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