/**
 * Some often-used interfaces.
 *
 * @author  Ikaros Kappler
 * @date    2020-10-23
 * @version 1.0.0
 **/
export declare type Interval = [number, number];
export declare type IndexPair = {
    i: number;
    j: number;
};
export declare type Matrix<T> = Array<Array<T>>;