/**
 * Allows "parking" (and unparking) of ports.
 * getPorts will find a port which is not used by another process
 * AND has not beed parked.
 * This prevents port collisions when instantiating multiple conductor simultaneously,
 * as well as the chance of another process taking the port specified in a conductor config
 * in between killing and spawning the same conductor
 */
export declare const getPort: () => Promise<number>;
export declare const unparkPort: (port: any) => boolean;