export declare const loadOptionsEnv: (customEnv?: string) => {
    readonly cluster: string | false;
    readonly driver: string;
    readonly host: string | undefined;
    readonly port: string | 3306;
    readonly username: string | undefined;
    readonly password: string;
    readonly database: string | undefined;
};
declare const Config: Readonly<{
    readonly HOST: string;
    readonly PORT: string | 3306;
    readonly USERNAME: string | undefined;
    readonly PASSWORD: string;
    readonly DATABASE: string | undefined;
    readonly CONNECTION_LIMIT: string | 10;
    readonly DATE_STRINGS: string | false;
    readonly CLUSTER: string | false;
    readonly DRIVER: string;
    readonly CACHE: "memory" | "db" | "redis";
    readonly CONNECTION_ERROR: string | false;
    readonly CONNECTION_SUCCESS: string | false;
}>;
export { Config };
export default Config;