import { BehaviorSubject, Observable } from 'rxjs';
import { OnDestroy } from '@angular/core';
import { ISuggestValue, ISuggestValues } from '@uipath/angular/components/ui-suggest';
import { UiGridFilterDirective } from './ui-grid-filter';
import * as i0 from "@angular/core";
/**
 * The searchable dropdown definition directive.
 *
 * @export
 */
export declare class UiGridSearchFilterDirective<T> extends UiGridFilterDirective<T> implements OnDestroy {
    /**
     * The property associated to the dropdown search fetch strategy.
     *
     */
    fetchStrategy?: 'eager' | 'onOpen';
    /**
     * The property associated to the dropdown search.
     *
     */
    property?: string;
    /**
     * The no selection placeholder.
     *
     */
    noFilterPlaceholder?: string;
    /**
     * Allow filter drill down
     *
     */
    drillDown: boolean;
    /**
     * Stream factory, used to resolve a stream for the provided options.
     *
     * @param searchTerm The current searched term.
     * @param fetchSize The next chunk size that needs to be loaded.
     */
    searchSourceFactory?: (searchTerm?: string, fetchSize?: number) => Observable<ISuggestValues<any>>;
    /**
     * The current dropdown options.
     *
     */
    value?: ISuggestValue | ISuggestValue[];
    /**
     * Wether the filter should be rendered in the grid.
     *
     */
    get visible(): boolean;
    set visible(visible: boolean);
    /**
     * Allow multiple selection
     *
     */
    multiple: boolean;
    /**
     * Configure the minimum number of characters that triggers the searchSourceFactory call
     * This will have priority over the fetch strategy if set.
     *
     */
    minChars: number;
    /**
     * The maximum number of items rendered in the viewport.
     *
     */
    displayCount: number;
    /**
     * @ignore
     */
    visible$: BehaviorSubject<boolean>;
    /**
     * Updates the dropdown option.
     *
     */
    updateValue(value?: ISuggestValue, isSelected?: boolean): void;
    /**
     * @ignore
     */
    ngOnDestroy(): void;
    get hasValue(): boolean;
    private checkAlreadyExisting;
    private handleMultiple;
    private removeElement;
    static ɵfac: i0.ɵɵFactoryDeclaration<UiGridSearchFilterDirective<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<UiGridSearchFilterDirective<any>, "[uiGridSearchFilter], ui-grid-search-filter", never, { "fetchStrategy": "fetchStrategy"; "property": "property"; "noFilterPlaceholder": "noFilterPlaceholder"; "drillDown": "drillDown"; "searchSourceFactory": "searchSourceFactory"; "value": "value"; "visible": "visible"; "multiple": "multiple"; "minChars": "minChars"; "displayCount": "displayCount"; }, {}, never, never, false, never>;
}