/**
 * @leizm/mysql
 *
 * @author Zongmin Lei <leizongmin@gmail.com>
 */
import { DataRow, AdvancedCondition } from "./common";
export declare class Expression {
    protected _type: string;
    protected _data: string;
    /**
     * 格式化模板字符串
     * @param tpl
     * @param values
     */
    format(tpl: string, values?: DataRow | any[]): string;
    /**
     * 添加条件
     * @param connector
     * @param condition
     * @param values
     */
    protected combineCondition(connector: string, condition: string | AdvancedCondition, values?: DataRow | any[]): this;
    /**
     * 查询条件 and
     * @param condition
     * @param values
     */
    and(condition: string | AdvancedCondition, values?: DataRow | any[]): this;
    /**
     * 查询条件 or
     * @param condition
     * @param values
     */
    or(condition: string | AdvancedCondition, values?: DataRow | any[]): this;
    /**
     * 生成表达式 SQL 语句
     */
    build(): string;
}