import { SqlCommand } from './update_db';
import { WizDatabase } from '../wrapper';
import AwaitLock from '../common/await_lock';
declare class SqliteDb {
    _dbPath: string;
    _locker: AwaitLock | null;
    _db: WizDatabase | null;
    _openTime: number | undefined;
    _closeTime: number | undefined;
    constructor(dbPath: string);
    _lock(): Promise<void>;
    _unlock(): void;
    _open(): Promise<unknown>;
    _run(sql: string, values?: any[]): Promise<unknown>;
    _all(sql: string, values?: any[]): Promise<any[]>;
    _close(): Promise<unknown>;
    _assertOpen(): void;
    open(): Promise<unknown>;
    run(sql: string, values?: any[]): Promise<unknown>;
    all(sql: string, values?: any[]): Promise<any[]>;
    firstRow(sql: string, values?: any[], check?: boolean): Promise<any>;
    fieldValue(sql: string, values: any[], fieldName: string, check?: boolean): Promise<any>;
    close(): Promise<unknown>;
    tables(): Promise<any[]>;
    update(sqlCommands: SqlCommand[]): Promise<void>;
}
export default SqliteDb;