/**
 * Built-in performance plugin for test optimization and caching
 */
import type { VitestPlugin } from '../index';
export type PerformanceConfig = {
    enabled: boolean;
    caching: {
        enabled: boolean;
        directory: string;
        maxAge: number;
    };
    parallelization: {
        enabled: boolean;
        maxWorkers: number;
    };
    memory: {
        gcThreshold: number;
        forceGC: boolean;
    };
};
export declare const performancePlugin: VitestPlugin;
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