export declare const ERROR_NOT_INSTALLED = "cloud-sql-proxy not installed";
export type CloudSqlBackgroundProxy = {
    stop: () => void;
};
export type CloudSqlProxyOptions = {
    instanceName: string;
    localPort: number;
};
export declare const startCloudSqlProxyInCurrentShell: (opts: CloudSqlProxyOptions) => Promise<void>;
export declare const startCloudSqlProxyInBackground: (opts: CloudSqlProxyOptions) => Promise<CloudSqlBackgroundProxy>;