import { Cell } from './Cell';
import { GridLocation, SudokuPossibleValue, SudokuPossibleValues } from './ValueTypes';
/**
 * Implements a set of Helper methods for solving the puzzles.
 * TODO: Document them!
 */
export declare class Helpers {
    static arrayContainsAll(arr1: SudokuPossibleValues, arr2: SudokuPossibleValues): boolean;
    static arrayHasSameMembers(arr1: SudokuPossibleValues, arr2: SudokuPossibleValues): boolean;
    static locationsMatch(loc1: GridLocation, loc2: GridLocation): boolean;
    static sudokuValuesWithout(exclusions: SudokuPossibleValues): SudokuPossibleValue[];
    static locationArraysMatch(loc1: GridLocation[] | undefined, loc2: GridLocation[] | undefined): boolean;
    static orderCells(cells: Cell[]): Cell[];
}