import { Renderer2 } from "@angular/core";
import { RendererService } from "../../utilities/service/renderer.service";
import { BzTableColumnSortDirective } from "./table.component";
export declare class TableSortService {
    private _renderer2;
    private _rendererService;
    private _sortMap;
    private _columnName;
    constructor(_renderer2: Renderer2, _rendererService: RendererService);
    get sortMap(): Map<string, string>;
    get columnName(): string;
    set columnName(value: string);
    /**
    * Sort array
    *
    * @author Federico Gambardella<fedega86@libero.it>
    * @param array
    * @param property
    */
    private _sortArray;
    /**
     * Compare two element.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param op1
     * @param op2
     * @param sortOrd
     */
    private _compare;
    /**
     * Sort column by column name.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param columnName
     * @param array
     * @param dataSourceProp
     * @param dir
     * @param array
     */
    sortColumn(columnName: string, element: HTMLElement, sorts?: any, dir?: string, array?: Array<any>): any;
    /**
     * Set icon by direction.
     *
     * @param direction
     * @returns
     */
    private _setIconByDirection;
    reverseDirection(value: string): string;
    /**
     * Add sort icon.
     *
     * @param columnIndex
     * @param cssClass
     */
    addSortIcon(column: HTMLElement, cssClass: string, sorts: BzTableColumnSortDirective[]): void;
    /**
     * Add sort icon by sort order.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {HTMLElement} column
     * @param {TableColumnSortDirective[]} sorts
     * @return {void}
     */
    addSortIconBySortOrder(column: HTMLElement, sorts: BzTableColumnSortDirective[]): void;
    /**
     * Remove all icons.
     *
     * @author Federico Gambardella<federico.gambardella@micgeroup.it>
     * @param {BzTableColumnSortDirective[]} columns
     * @return {void}
     */
    removeAllIcon(sorts: BzTableColumnSortDirective[]): void;
}