import { Grid, CellValueChange } from './Grid';
/**
 * Defines the result of applying changes to a Grid.
 */
export interface ChangeResult {
    grid: Grid;
    changes: CellValueChange[];
}
/**
 * Implements a class that provides helper methods for solving puzzles.
 */
export declare class SolverHelpers {
    /**
     * Applies a list of changes to a Grid and returns a new grid with the results.
     * @param grid A reference to a Grid to apply the changes to.
     * @param changes A list of cxhanges to apply to the Grid.
     * @returns An object holding the new grid.
     */
    static applyChangeList(grid: Grid, changes: CellValueChange[]): Grid;
}