import type { TestCase, TestModule } from 'vitest/node';
import type { Reporter } from 'vitest/reporters';
import type { SlowtestConfig } from '../../../domain.objects/SlowtestConfig';
/**
 * .what = vitest reporter implementation for slowtest
 * .why = collects test time via vitest reporter lifecycle hooks
 */
export declare class SlowtestReporterVitest implements Reporter {
    private config;
    private modules;
    private thresholdMs;
    private startTime;
    constructor(options?: SlowtestConfig);
    /**
     * .what = called when vitest is initialized
     * .why = capture start time
     */
    onInit(): void;
    /**
     * .what = called when a test run starts
     * .why = reset state for new run
     */
    onTestRunStart(): void;
    /**
     * .what = called after a test case finishes
     * .why = collect per-test time data
     */
    onTestCaseResult(testCase: TestCase): void;
    /**
     * .what = called when a test module finishes
     * .why = finalize module duration
     */
    onTestModuleEnd(testModule: TestModule): void;
    /**
     * .what = called when test run completes
     * .why = emit terminal report and write json file
     */
    onTestRunEnd(): Promise<void>;
}