import { IDatabase } from './IDatabase';
import { MySQLConfig } from './types';
export declare class MySQLDatabase extends IDatabase {
    private config;
    private pool;
    private _queue;
    private _connected;
    private _connectionPromise;
    constructor(config: MySQLConfig);
    private _execute;
    private _processQueue;
    query(sql: string, params?: any[]): Promise<any>;
    private _ensureMissingColumns;
    ensureTable(table: string, data?: any): Promise<void>;
    insert(table: string, data: Record<string, any>): Promise<number>;
    update(table: string, data: Record<string, any>, where: Record<string, any>): Promise<number>;
    delete(table: string, where: Record<string, any>): Promise<number>;
    select<T = any>(table: string, where?: Record<string, any> | null): Promise<T[]>;
    selectOne<T = any>(table: string, where?: Record<string, any> | null): Promise<T | null>;
    set(table: string, data: Record<string, any>, where: Record<string, any>): Promise<any>;
    bulkInsert(table: string, dataArray: Record<string, any>[]): Promise<number>;
    increment(table: string, incs: Record<string, number>, where: Record<string, any>): Promise<number>;
    decrement(table: string, decs: Record<string, number>, where: Record<string, any>): Promise<number>;
    close(): Promise<void>;
    private _getColumnType;
    private _serializeValue;
    private _buildWhereClause;
}
export default MySQLDatabase;