export declare class TimeoutToken {
    timeout: number;
    timedOut: boolean;
    constructor(timeout: number);
}
export declare function withTimeout<T>(promise: Promise<T>, token: TimeoutToken): Promise<T>;
export declare function sleepAsync(time: number): Promise<unknown>;
export declare function chunk<T>(array: Array<T>, maxChunkSize: number): Array<Array<T>>;
export declare function uuidToAddress(uuid: string): string;