import Database from 'better-sqlite3';
import type { DatabaseAdapter, QueueJobRecord } from '../interfaces/database.ts';
import type { JobMeta, JobStatus } from '../interfaces/job.ts';
import { DbQueue } from '../drivers/db.ts';
export interface SQLiteDatabase {
    exec(sql: string): void;
    prepare(sql: string): {
        run(...params: any[]): {
            lastInsertRowid: number | bigint;
            changes: number;
        };
        get(...params: any[]): any;
    };
}
export interface BetterSQLite3Config {
    filename: string;
    options?: Database.Options;
}
export declare class SQLiteDatabaseAdapter implements DatabaseAdapter {
    private db;
    constructor(db: SQLiteDatabase);
    private initializeSchema;
    insertJob(payload: Buffer, meta: JobMeta): Promise<string>;
    reserveJob(timeout: number): Promise<QueueJobRecord | null>;
    completeJob(id: string): Promise<void>;
    releaseJob(id: string): Promise<void>;
    failJob(id: string, error: string): Promise<void>;
    getJobStatus(id: string): Promise<JobStatus | null>;
    deleteJob(id: string): Promise<void>;
    markJobDone(id: string): Promise<void>;
    clear(): Promise<void>;
    close(): void;
}
export declare class SQLiteQueue<T = Record<string, any>> extends DbQueue<T> {
    constructor(config: {
        database: SQLiteDatabase;
        name: string;
    });
}
export declare function createSQLiteQueue<T = Record<string, any>>(name: string, filename: string, options?: Database.Options): SQLiteQueue<T>;
export { DbQueue };