/**
 * @file Performance Observatory Context
 * @description Context for performance monitoring (Fast Refresh compliant).
 */
/**
 * Performance metric
 */
export interface PerformanceMetric {
    name: string;
    value: number;
    timestamp: number;
    metadata?: Record<string, unknown>;
}
/**
 * Performance observatory context value
 */
export interface PerformanceObservatoryContextValue {
    metrics: PerformanceMetric[];
    recordMetric: (name: string, value: number, metadata?: Record<string, unknown>) => void;
    clearMetrics: () => void;
    getMetric: (name: string) => PerformanceMetric | undefined;
    getMetricsByName: (name: string) => PerformanceMetric[];
    isObserving: boolean;
    startObserving: () => void;
    stopObserving: () => void;
}
/**
 * Performance observatory context - extracted for Fast Refresh compliance
 */
export declare const PerformanceObservatoryContext: import('react').Context<PerformanceObservatoryContextValue | null>;