import { AfterViewInit, EventEmitter, OnDestroy } from '@angular/core';
import { IFilterModel } from '../models';
import { UiGridHeaderButtonDirective } from './ui-grid-header-button.directive';
import * as i0 from "@angular/core";
/**
 * Grid header definition directive.
 *
 * @export
 */
export declare class UiGridHeaderDirective<T> implements AfterViewInit, OnDestroy {
    /**
     * If the search input is available.
     *
     */
    search: boolean;
    /**
     * The active search value.
     *
     */
    searchValue?: string;
    /**
     * The search debounce time (ms).
     *
     */
    searchDebounce: number;
    /**
     * The search max length.
     *
     */
    searchMaxLength: number;
    /**
     * Emits a filter model event when the search changes.
     *
     */
    searchFilter: EventEmitter<IFilterModel<T>[]>;
    /**
     * Emits the search term when the search changes.
     *
     */
    searchTerm: EventEmitter<string>;
    /**
     * @internal
     * @ignore
     */
    mainButtons?: UiGridHeaderButtonDirective[];
    /**
     * @internal
     * @ignore
     */
    actionButtons?: UiGridHeaderButtonDirective[];
    /**
     * @internal
     * @ignore
     */
    inlineButtons?: UiGridHeaderButtonDirective[];
    private _buttons;
    /**
     * @internal
     * @ignore
     */
    ngAfterViewInit(): void;
    /**
     * @internal
     * @ignore
     */
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<UiGridHeaderDirective<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<UiGridHeaderDirective<any>, "[uiGridHeader], ui-grid-header", never, { "search": "search"; "searchValue": "searchValue"; "searchDebounce": "searchDebounce"; "searchMaxLength": "searchMaxLength"; }, { "searchFilter": "searchFilter"; "searchTerm": "searchTerm"; }, ["_buttons"], never, false, never>;
}