import { Snapshot, TrackPoint, Voyage, VoyageStatsResult } from './contract';
import { Options } from './config';
import { RollupEngine } from './rollup';
import { Logger, Store } from './store';
export type EditResult = {
    ok: true;
    id: number;
} | {
    ok: false;
    error: string;
};
export declare class VoyageLog {
    private store;
    private opts;
    private log;
    private state;
    private manual;
    private window;
    private chain;
    private persistedRevision;
    private filePath;
    constructor(store: Store, opts: Options, log: Logger);
    private enqueue;
    init(now: number): Promise<void>;
    feed(snap: Snapshot): Promise<void>;
    list(limit: number): Voyage[];
    current(): Voyage | null;
    track(voyageId: number, now: number): Promise<TrackPoint[]>;
    stats(rollups: RollupEngine, now: number): Promise<VoyageStatsResult>;
    private seasonStartMs;
    private windowStats;
    private scanStart;
    private readRows;
    private range;
    private runReconcile;
    private revision;
    private persist;
    private manualIds;
    edits(): {
        merged: number[];
    };
    private partsOf;
    private persistEdit;
    mergeWithPrevious(id: number, now: number): Promise<EditResult>;
    undoMerge(id: number, now: number): Promise<EditResult>;
    flush(): Promise<void>;
}