import Database from 'better-sqlite3';
/**
 * ConfigSnapshotDatabase
 * Manages SQLite database initialization and schema for Config Snapshot feature.
 * Provides shared database connection for snapshot and schedule repositories.
 */
export declare class ConfigSnapshotDatabase {
    private readonly db;
    /**
     * Create a new ConfigSnapshotDatabase
     * @param dbPath - Path to the SQLite database file, or ':memory:' for in-memory
     */
    constructor(dbPath: string);
    /**
     * Get the underlying database connection
     */
    getDatabase(): Database.Database;
    /**
     * Run database migrations
     * Creates tables and indexes if they don't exist
     */
    private migrate;
    /**
     * Close the database connection
     */
    close(): void;
}
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