export declare function isAlive(pid: number): boolean;
export declare function processStartToken(pid: number): string | undefined;
/** M35: the same, without blocking the event loop (a ps per call). */
export declare function processStartTokenAsync(pid: number): Promise<string | undefined>;
export declare function sameProcess(pid: number, token: string): boolean;
export declare function ownStartToken(): string | undefined;