export declare const validConfig: () => {
    host: string;
    password: string;
    db: string;
    user: string;
};
export declare const validGCPConfig: () => {
    cloudSqlConnectionName: string;
    password: string;
    db: string;
    user: string;
};
export declare const configWithInvalidHost: () => {
    host: number;
    password: string;
    db: string;
    user: string;
};