import SortingComparator from "./CustomTypes/SortingComparator";
export declare class Utils {
    static range(start: number, end: number, step?: number): number[];
    static swapValues<T>(array: T[], from: number, to: number): void;
    static lt<T>(a: T, b: T): boolean;
    static gt<T>(a: T, b: T): boolean;
    static minIndex<T>(array: T[], from?: number, to?: number, comparator?: SortingComparator<T>): number;
    static findIndexBy<T>(array: T[], comparator: (el: T, index?: number, array?: T[]) => boolean): number;
}