export declare class OrderingMeasure {
    numberOfCrossings: number;
    la: number[][];
    virtVertexStart: number;
    constructor(layerArraysPar: number[][], numOfCrossings: number, virtualVertexStart: number);
    LayerGroupDisbalance(l: number[], origGroupOptSize: number, virtGroupOptSize: number): number;
    LayerGroupDisbalanceWithVirtSeparators(l: number[], origGroupOptSize: number): number;
    CurrentOrigGroupDelta(i: number, l: number[], origGroupOptSize: number): {
        ret: number;
        i: number;
    };
    LayerGroupDisbalanceWithOrigSeparators(l: number[], virtGroupOptSize: number): number;
    CurrentVirtGroupDelta(i: number, l: number[], virtGroupOptSize: number): {
        ret: number;
        i: number;
    };
    static less(a: OrderingMeasure, b: OrderingMeasure): boolean;
    static greater(a: OrderingMeasure, b: OrderingMeasure): boolean;
    IsPerfect(): boolean;
}