import { GridElementWithItem } from './model/grid-element-with-item';
import { GridElement } from './model/grid-element';
import { LoggerService } from '../../logger/services/logger.service';
export declare class GridLayoutHelper {
    private _log;
    constructor(_log: LoggerService);
    private static addGridRows;
    private static newGridRow;
    fillBlankSpace(gridElements: Array<GridElement>, columnCount: number, elementVisibilityCondition?: (element: any) => boolean): Array<GridElementWithItem<unknown>>;
}