/**
 * Snapshot Service for Caravan-X
 * Handles saving and restoring blockchain states in regtest mode
 */
import { BlockchainSnapshot } from "../types/config";
import { BitcoinRpcClient } from "./rpc";
export interface SnapshotOptions {
    name: string;
    description?: string;
    tags?: string[];
    includeWallets?: string[];
    scenario?: string;
}
export interface SnapshotDiff {
    snapshot1: BlockchainSnapshot;
    snapshot2: BlockchainSnapshot;
    blocksDiff: number;
    walletsDiff: {
        added: string[];
        removed: string[];
        common: string[];
    };
    heightDiff: number;
}
export declare class SnapshotService {
    private readonly rpc;
    private readonly snapshotsDir;
    private readonly bitcoinDataDir;
    constructor(rpc: BitcoinRpcClient, snapshotsDir: string, bitcoinDataDir: string);
    /**
     * Create a snapshot of the current blockchain state
     */
    createSnapshot(options: SnapshotOptions): Promise<BlockchainSnapshot>;
    /**
     * Restore a snapshot
     */
    restoreSnapshot(snapshotId: string, options?: {
        stopBitcoin?: boolean;
        restartBitcoin?: boolean;
    }): Promise<void>;
    /**
     * List all snapshots
     */
    listSnapshots(): Promise<BlockchainSnapshot[]>;
    /**
     * Get a specific snapshot by ID or name
     */
    getSnapshot(idOrName: string): Promise<BlockchainSnapshot | null>;
    /**
     * Delete a snapshot
     */
    deleteSnapshot(snapshotId: string): Promise<void>;
    /**
     * Compare two snapshots
     */
    diffSnapshots(snapshot1Id: string, snapshot2Id: string): Promise<SnapshotDiff>;
    /**
     * Generate a unique snapshot ID
     */
    private generateSnapshotId;
    /**
     * Save snapshot reference
     */
    private saveSnapshotReference;
    /**
     * Save snapshots list
     */
    private saveSnapshotsList;
    /**
     * Copy directory recursively
     */
    private copyDirectory;
    /**
     * Create tar.gz archive
     */
    private createTarGz;
    /**
     * Extract tar.gz archive
     */
    private extractTarGz;
    /**
     * Auto-snapshot based on interval
     */
    createAutoSnapshot(): Promise<BlockchainSnapshot>;
}