/**
  the purpose is to be able to explicitly manage database connection state and fail fast if our assumptions are wrong.

  the ManagedDatabaseConnection creates a managedConnection which must be explicitly `.start` ed before it can be used.
    - this normalizes the .end() connection requirement and makes the connection managment process much more explicit
*/
import { Connection, Pool } from 'mysql2/promise';
export default class ManagedDatabaseConnection {
    protected connectionOrPool: Connection | Pool | null;
    protected createConnectionOrPool: () => Promise<Connection | Pool>;
    constructor({ createConnectionOrPool }: {
        createConnectionOrPool: () => Promise<Connection | Pool>;
    });
    start(): Promise<void>;
    end(): Promise<void>;
    execute(sql: string, values?: any): Promise<any>;
}