import type { IntegrationProgressEvent, IntegrationRunFilter, IntegrationRunSnapshot } from './types.js';
/**
 * Read API for the progress artifacts. Frontend / health-check / resumption code
 * uses this to inspect ongoing or completed runs without touching the emitter.
 *
 * Implementation is purely file-system reads; no shared state with the emitter
 * (an emitter in another process can write while this reader tails).
 */
export declare class IntegrationProgressReader {
    private readonly rootDir;
    constructor(rootDir?: string);
    /** List runs, newest-first by mtime. */
    ListRuns(filter?: IntegrationRunFilter, limit?: number): Promise<IntegrationRunSnapshot[]>;
    /** Read snapshot of a single run. Returns undefined if runID not found. */
    GetRun(runID: string): Promise<IntegrationRunSnapshot | undefined>;
    /** Tail events since a given sequence. */
    Tail(runID: string, sinceSeq?: number): Promise<IntegrationProgressEvent[]>;
    /** Find the latest checkpoint for a run (for resumption). */
    LatestCheckpoint(runID: string): Promise<IntegrationProgressEvent | undefined>;
    /** Find all in-flight (non-terminated) runs — for restart-resumption discovery. */
    FindInFlight(): Promise<IntegrationRunSnapshot[]>;
    private safeReadDir;
    private safeReadFile;
    private safeReadJSON;
    private runMtime;
    private readProgressTail;
    private countLines;
    private aggregateCountsFromTail;
    private aggregateWarningsFromTail;
    /** Reconstruct a {@link SyncWarning} from a persisted `'warning'` event. */
    private warningFromEvent;
}
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