import { Pipe } from '@angular/core';
import { StyleRules } from './datagridstyle.model';
/**
 * Describe a header field with name, tooltip and other properties.
 */
export declare class DataGridHeaderModel {
    text: string;
    desc: string;
    prop: string;
    hidden: boolean;
    /**
     * The ctor
     * @param text The text to display.
     * @param desc A tooltip that is shown on mouseover (using the `title` attribute).
     * @param prop The propertie's internal name.
     * @param hidden optionally set a field as hidden and hence do not show in the grid.
     */
    constructor(text: string, desc: string, prop: string, hidden?: boolean);
    /**
     * Hint from view model to select a certain template. Default is *text* (format as string).
     */
    templateHint: string;
    /**
     * Custom styles directly applied to the grid's header on a per model base.
     */
    uiHint: StyleRules;
    /**
     * Additional parameters some templates may use. Optional.
     */
    templateHintParams?: any[];
    /**
     * Display the sort buttons and connect to sort functions. Default is `true`.
     */
    isSortable: boolean;
    /**
     * An optional sort callback function that replaces the default `Array.prototype.sort`.
     */
    sortCallback?: (a: any, b: any) => 1 | -1 | 0;
    /**
     * Provides a pipe for all data of this column. Default is no pipe (`undefined`).
     */
    pipe: Pipe;
    /**
     * Optional parameters for a pipe.
     */
    pipeParams?: any[];
}