/**
 * Watch Mode - Re-run tests on file changes.
 * Enhanced: watch trace directories, auto-run on new traces, bell on failure, running summary.
 */
import type { ReportFormat } from './types';
export interface WatchOptions {
    suitePath: string;
    format: ReportFormat;
    extraWatchPaths?: string[];
    updateSnapshots?: boolean;
    tags?: string[];
    traceDir?: string;
}
export interface WatchSummary {
    runs: number;
    totalPassed: number;
    totalFailed: number;
    lastRun: string | null;
    consecutiveFailures: number;
}
export declare function startWatch(opts: WatchOptions): void;
/**
 * Watch a trace directory and auto-run tests when new traces appear.
 */
export declare function watchTraceDir(traceDir: string, suitePath: string, opts?: {
    format?: ReportFormat;
}): void;
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