import { Uint, Uint256 } from "low-level";
export declare class Utils {
    static splitNTimes(str: string, delim: string, count: number): string[];
    static encodeLengthForUnlimited(length: number): Uint;
    static decodeLengthFromUnlimited(hexData: Uint): number[];
    static sha256(input: Uint): Uint256;
}