export declare class UID {
    private static readonly epoch;
    private static nextUniqueID;
    private static nextUniqueTRXID;
    static generate(): string;
    static generateRandomNumberBase(count: number): string;
    static generateNumeric(year?: string): bigint;
    static getDateFromNumeric(uid: number | bigint): Date;
    static generateNumberic(year?: string): number;
    static getNextDescendingIndex(): number;
    static getNext(): string;
    static getNextTRX(): string;
    static generateTrxUID(date?: Date): number;
    static sha256(str: string, nochanges?: boolean): string;
    static leadZero(i: number): string;
}