import { SudokuSolverOptions } from './SudokuSolverOptions';
/**
 * Implements a class that can solve a 9x9 Sudoku provided as a number[9][9].
 */
export declare class SudokuSolver {
    /**
     * Solves the given 9x9 Sudoku grid.
     * TODO: Add a callback method of some kind to allow the user to monitor the grids and changes at each iteration.
     * @param puzzle A puzzle defined a as a 2D array of numbers with zeros representing unknown values.
     * @param options Optional parameter allowing the caller to specify what strategies to use whne solving the puzzle.
     * @returns A solved puzzle defined as a 2D array of numbers.
     */
    static solve(puzzle: number[][], options?: SudokuSolverOptions): number[][];
}