declare module "better-sqlite3" {
  type RunResult = {
    changes: number;
    lastInsertRowid: number | bigint;
  };

  type Statement<Params = unknown[], Row = unknown> = {
    run(...params: Params extends unknown[] ? Params : [Params]): RunResult;
    get(...params: Params extends unknown[] ? Params : [Params]): Row | undefined;
    all(...params: Params extends unknown[] ? Params : [Params]): Row[];
  };

  class Database {
    constructor(filename: string);
    pragma(source: string): unknown;
    exec(source: string): this;
    prepare<Params = unknown[], Row = unknown>(source: string): Statement<Params, Row>;
  }

  export default Database;
}