import { Rectangle, Item } from './types';
export declare enum SelectionStrategy {
    BEST_SHORT_SIDE_FIT = 0,
    BEST_LONG_SIDE_FIT = 1,
    BEST_AREA_FIT = 2
}
declare abstract class SelectionImplementation {
    abstract generateSortValue(freeRectangle: Rectangle, itemToPlace: Item): number;
    select(freeRectangles: Rectangle[], itemToPlace: Item): Rectangle | null;
}
export declare function GetSelectionImplementation(strategy: SelectionStrategy): SelectionImplementation;
export {};