export interface ApiMetrics {
    /** Total API call count */
    callCount: number;
    /** Total time spent on API calls (ms) */
    totalTime: number;
    /** Average API call duration (ms) */
    averageTime: number;
    /** Slowest API call (ms) */
    slowestCall?: number;
    /** Failed API calls */
    failedCalls: number;
}
export interface UseApiMetricsOptions {
    /** Enable tracking (default: true) */
    enabled?: boolean;
    /** URL patterns to match API calls (default: ['/api/', 'graphql']) */
    patterns?: string[];
    /** Refresh interval in ms (default: 5000) */
    refreshInterval?: number;
    /** Callback when metrics update */
    onUpdate?: (metrics: ApiMetrics) => void;
}
/**
 * Hook to track API call metrics
 *
 * @example
 * ```tsx
 * const { metrics } = useApiMetrics({
 *   patterns: ['/api/', 'graphql']
 * });
 * console.log('API Calls:', metrics.callCount);
 * ```
 */
export declare const useApiMetrics: (options?: UseApiMetricsOptions) => {
    metrics: ApiMetrics;
    refresh: () => void;
};
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