import type { NavigationType, VitalRating, VitalType } from '@entrolytics/shared';
export type WebVitalMetric = VitalType;
export type WebVitalRating = VitalRating;
export type { NavigationType };
export interface WebVitalData {
    metric: WebVitalMetric;
    value: number;
    rating: WebVitalRating;
    delta?: number;
    id?: string;
    navigationType?: NavigationType;
    attribution?: Record<string, unknown>;
}
export interface UseWebVitalsOptions {
    /** Auto-initialize web-vitals library (default: true) */
    autoInit?: boolean;
    /** Report all changes (default: false) */
    reportAllChanges?: boolean;
}
/**
 * Hook for tracking Web Vitals in Next.js App Router
 *
 * @example
 * ```tsx
 * 'use client';
 * import { useWebVitals } from '@entrolytics/nextjs';
 *
 * export function WebVitalsTracker() {
 *   useWebVitals(); // Auto-tracks all Core Web Vitals
 *   return null;
 * }
 * ```
 */
export declare function useWebVitals(options?: UseWebVitalsOptions): {
    trackVital: (data: WebVitalData) => Promise<void>;
};
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