import { Connection } from "mysql2/promise";
export declare class Procedure {
    static exec(conn: Connection, pars: {
        data?: {};
        database?: string;
        procedure: string;
    }): Promise<import("mysql2/promise").OkPacket | import("mysql2/promise").ResultSetHeader | import("mysql2/promise").RowDataPacket[] | [import("mysql2/promise").RowDataPacket[], import("mysql2/promise").ResultSetHeader] | import("mysql2/promise").ResultSetHeader[] | import("mysql2/promise").RowDataPacket[][] | import("mysql2/promise").OkPacket[] | {
        results: import("mysql2/promise").QueryResult;
        outValues: any;
    }>;
}