import { ElementRef, AfterViewChecked, EventEmitter, ChangeDetectorRef } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { AbstractComponent } from 'gp-admin-abstract';
export declare class MultiselectComponent extends AbstractComponent implements ControlValueAccessor, AfterViewChecked {
    protected el: ElementRef;
    private changeDetector;
    hasSelected: boolean;
    selected: any[];
    options: any[];
    opened: boolean;
    disabled: boolean;
    title: string;
    error: string;
    asObject: boolean;
    onScrollUp: EventEmitter<any>;
    onScrollDown: EventEmitter<any>;
    constructor(el: ElementRef, changeDetector: ChangeDetectorRef);
    onDocumentClick(e: Event): void;
    ngAfterViewChecked(): void;
    propagateChange: (_: any) => void;
    writeValue(_value: string | number | any): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    setDisabledState(isDisabled: boolean): void;
    toggleOpen(e: any): void;
    scrollDown(): void;
    scrollUp(): void;
    changeOption(item: any): void;
    private addOption(value, title, isSelected, isPseudo?);
    private addSelected(value, title, isPseudo?);
    private removeSelected(value);
    private isSelected(value);
    private isHasSelected();
    private notifyModel();
    showErrorText(): boolean;
}