import type { ChangeLogItem, ArtifactType } from './types.js';
export interface TimelineStore {
    append(item: ChangeLogItem): Promise<void>;
    getLatest(type: ArtifactType, id: string): Promise<ChangeLogItem | null>;
    query(filter: {
        from?: number;
        to?: number;
        type?: ArtifactType;
        actor?: string;
    }): Promise<ChangeLogItem[]>;
    close(): Promise<void>;
}
export declare class SQLiteTimelineStore implements TimelineStore {
    private db;
    constructor(dbPath?: string);
    private init;
    append(item: ChangeLogItem): Promise<void>;
    getLatest(type: ArtifactType, id: string): Promise<ChangeLogItem | null>;
    query(filter: {
        from?: number;
        to?: number;
        type?: ArtifactType;
        actor?: string;
    }): Promise<ChangeLogItem[]>;
    close(): Promise<void>;
    private mapRow;
}
export declare class JSONTimelineStore implements TimelineStore {
    private items;
    private filePath;
    constructor(filePath?: string);
    append(item: ChangeLogItem): Promise<void>;
    getLatest(type: ArtifactType, id: string): Promise<ChangeLogItem | null>;
    query(filter: {
        from?: number;
        to?: number;
        type?: ArtifactType;
        actor?: string;
    }): Promise<ChangeLogItem[]>;
    close(): Promise<void>;
}
//# sourceMappingURL=timeline-store.d.ts.map