import { ElementRef, TemplateRef, OnDestroy, OnInit } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { Observable } from 'rxjs';
export declare class NgxMultiSelectorComponent implements OnInit, OnDestroy, ControlValueAccessor {
    private readonly _defaultItemsInterval;
    private _selectedItems;
    private _separationCharacter;
    private _keyword;
    private _originalItems;
    private _availableItems;
    private _maximumContextItems;
    private _maximumSelectableItems;
    private _key;
    private _displayProperty;
    private _valueProperty;
    readonly loadAvailableItemsAsyncHandler: (keyword: string) => Observable<any[]>;
    private _updateAvailableItemsSubject;
    private _updateAvailableItemsSubscription;
    multiSelectorDropDown: ElementRef;
    shouldClearButtonAvailable: boolean;
    shouldSearchBoxAvailable: boolean;
    placeholderSearchDropDown: string;
    placeholderTitleDropDown: string;
    disabled: boolean;
    itemTemplate: TemplateRef<any>;
    protected ngOnTouchedCallback: () => void;
    protected ngOnChangeCallback: (_: any) => void;
    private _loadItemsInterval;
    /*
    * Keyword is used for searching for items.
    * */
    keyword: string;
    separationCharacter: string;
    /*
    * Get selected items.
    * */
    selectedItems: any[];
    interval: number;
    /*
    * Get available items for displaying in drop-down list.
    * */
    items: Array<any>;
    readonly maximumContextItem: number;
    maximumContextItems: number;
    /*
    * Update the maximum selectable items.
    * */
    maximumSelectableItems: number;
    protected key: string;
    protected keyProperty: string;
    protected displayProperty: string;
    protected valueProperty: string;
    constructor();
    ngOnDestroy(): void;
    hasItemSelected(item: any): boolean;
    protected loadSelectedItemIndex(item: any): number;
    loadSelectedItemsTitle(): string;
    deleteSelectedItems(shouldRaiseOnChangeCallback?: boolean): void;
    deleteSelectedValue(value: any): void;
    protected clickSelectItem(item: any): void;
    close(): void;
    open(): void;
    writeValue(selectedValues: any[]): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    setDisabledState(isDisabled: boolean): void;
    protected loadAvailableItemsAsync(keyword: string): Observable<any[]>;
    loadItemDisplay(item: any): string;
    protected loadItemValue(item: any): string;
    protected loadItemUniqueValue(item: any): any;
    ngOnInit(): void;
}