import type { ViteDevServer } from 'vite';
export interface CachedTestFileResult {
    hash: string;
    status: 'pass' | 'fail';
    events: {
        eventName: string;
        data: any;
    }[];
}
/**
 * Caches test file outcomes and dependency tree hashes for instant feedback in watch mode.
 */
export declare class TestCache {
    #private;
    /**
     * Computes a combined SHA-256 hash of a test file and its imported dependency graph.
     *
     * @param filePath - Absolute path to the test file.
     * @param viteServer - Optional Vite development server to inspect the module dependency graph.
     */
    computeFileHash(filePath: string, viteServer?: ViteDevServer): string;
    /**
     * Checks if a test file has a valid, passing cached result matching the current hash.
     *
     * @param filePath - Absolute path to the test file.
     * @param currentHash - Current computed hash of the test file and its dependencies.
     */
    hasValidPass(filePath: string, currentHash: string): boolean;
    /**
     * Retrieves the cached entry for a test file.
     *
     * @param filePath - Absolute path to the test file.
     */
    get(filePath: string): CachedTestFileResult | undefined;
    /**
     * Records or updates the test result cache for a file.
     *
     * @param filePath - Absolute path to the test file.
     * @param hash - Computed hash for the test file and dependencies.
     * @param status - Overall status ('pass' or 'fail').
     * @param events - Stream of events captured for this test file.
     */
    recordResult(filePath: string, hash: string, status: 'pass' | 'fail', events: {
        eventName: string;
        data: any;
    }[]): void;
    /**
     * Invalidates cache entry for a specific test file.
     *
     * @param filePath - Absolute path to the test file.
     */
    invalidate(filePath: string): void;
    /**
     * Clears all cached test results.
     */
    clear(): void;
}