/**
 * Tracks recipe.show events and prevents duplicates (first show, or again after scroll).
 * Shared across SDK and Lit recipe cards via {@link WINDOW_SINGLETON_KEY} on window.
 */
export declare class RecipeCardShowTracker {
    private static instance;
    private trackedRecipes;
    private hasScrolled;
    private scrollListener;
    private cleanupInterval;
    private readonly MAX_RECIPES;
    private readonly CLEANUP_INTERVAL;
    private constructor();
    static getInstance(): RecipeCardShowTracker;
    trackRecipeShow(recipeId: string, analyticsPath: string, categoryId: string): void;
    cleanOldRecipes(): void;
    clearAllRecipes(): void;
    destroy(): void;
    private setupScrollListener;
    private startAutoCleanup;
    private setupPageUnloadListener;
    private handlePageUnload;
}
//# sourceMappingURL=recipe-card-show-tracker.d.ts.map