import { Pagination } from "./pagination";
import { Item } from "@rxweb/dom";
import { GridConfig } from '../interface/config/grid-config';
export declare class SortCollection extends Pagination {
    headerColumns: Item[];
    constructor(source: any[], model: Function, gridConfiguration: GridConfig);
    protected bindSource(): void;
    protected sortColumn(data: any, isDirect?: boolean): void;
    sort(columnName: string, orderBy: boolean): void;
    private customSort;
    allowSorting: boolean;
}