export declare const setPortsAndPIDs: (portOrPID: number | number[]) => number[];
export declare const populateRange: (startsAt: number, endsAt: number) => number[];
export declare const killPID: {
    unix: (PID: number) => Promise<void>;
    windows: (PID: number) => Promise<void>;
};
export declare const getPIDs: {
    unix: (port: number) => Promise<number[]>;
    windows: (port: number) => Promise<number[]>;
};