import { DBTransaction } from './DBTransaction';
export declare abstract class DBClient {
    /**
     * Runs a function in a transaction. The function must receive one parameter that will be of class
     * {MysqlTransaction} and that you need to use to run all queries in this transaction
     *
     * @param {boolean} readonly Whether the transaction needs to be readonly or not
     * @param {Function} func A function that returns a promise that will execute all the queries wanted in this transaction
     * @returns {Promise} A promise that will execute the whole transaction
     */
    abstract runInTransaction(readonly: boolean, func: (transaction: DBTransaction) => Promise<any>): Promise<any>;
}