import { ElementRef } from '@angular/core';
import { VrInputDatalist } from '../../../shared/datalist/vr-input-datalist';
export declare abstract class VrAutocomplete extends VrInputDatalist {
    autocompleteInputRef: ElementRef;
    autocompleteListOptionsRef: ElementRef;
    isOpen: boolean;
    private timeout;
    private timeoutDatalist;
    get inputElement(): HTMLInputElement;
    get listOptionDIVElement(): HTMLDivElement;
    isSelected(index: number): void;
    private set opacity(value);
    onClose(): void;
    onBlur(): void;
    onOpen(): void;
    isCurrentInit(): void;
    scrollToTop(): void;
    scrollIntoView(): void;
    private scrollToOption;
    protected elementChange(v: any): void;
    protected setPosition(): void;
    private setListOptionsWidth;
    protected setListOptionsTop(): void;
    isValidVerticalPosition(element: HTMLElement): boolean;
    private offset;
    private hiddenListOptions;
}