import { type ScannerProvider } from "../providers/provider";
import type { ConversationMeta, ConversationPage, GetConversationPageOptions, Profile, ScanOptions, SearchHighlight } from "../types";
import { type FileChange } from "./cursor";
import { type DB } from "./db";
import { CheckpointsRepo } from "./repositories/checkpoints.repo";
import { ConversationFilesRepo } from "./repositories/conversation-files.repo";
import { ConversationsRepo } from "./repositories/conversations.repo";
import { FtsRepo, type FtsSearchFilters } from "./repositories/fts.repo";
import { ScannedDirsRepo } from "./repositories/scanned-dirs.repo";
export interface EngineSearchHit {
    meta: ConversationMeta;
    body: {
        snippet: string;
        highlights: SearchHighlight[];
    } | null;
}
export declare class PersistentEngine {
    readonly db: DB;
    readonly files: ConversationFilesRepo;
    readonly conversations: ConversationsRepo;
    readonly fts: FtsRepo;
    readonly checkpoints: CheckpointsRepo;
    readonly scannedDirs: ScannedDirsRepo;
    private readonly sidecar;
    private scanCount;
    private readonly checkpointBuilds;
    constructor(dbPath: string, options?: {
        sidecar?: boolean;
    });
    close(): void;
    indexAll(activeProfiles: Profile[], options: ScanOptions): Promise<{
        scanned: number;
    }>;
    indexFile(rawFilePath: string, account: string, tierName: string, customTiers: ScanOptions["tiers"], resolveGitBranch: (projectPath: string) => string | null, force?: boolean, provider?: ScannerProvider): Promise<{
        meta: ConversationMeta | null;
        change: FileChange;
    }>;
    private indexFileWithProvider;
    private markDeleted;
    allActive(): ConversationMeta[];
    getByIdOrSession(id: string): ConversationMeta | null;
    getAllBySessionId(sessionId: string): ConversationMeta[];
    searchHits(query: string, limit: number, filters?: FtsSearchFilters): EngineSearchHit[];
    recentMetas(limit: number): ConversationMeta[];
    getProjects(): string[];
    getPage(id: string, options: GetConversationPageOptions): Promise<ConversationPage | null>;
    private ensureCheckpoints;
}
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