import { QueryList } from '@angular/core';
import { VrcOptionComponent } from '../../components/vrc-option/vrc-option.component';
import { Option } from './../../components/vrc-option/models/option';
import { IDatalist } from './idatalist';
import { VrInputField } from '../vr-element-field/vr-input-field';
export declare abstract class VrInputDatalist extends VrInputField implements IDatalist {
    options: QueryList<VrcOptionComponent>;
    abstract onOpen(): void;
    abstract onClose(): void;
    abstract isCurrentInit(): void;
    abstract isSelected(index: number): void;
    abstract scrollIntoView(): void;
    protected get maxIndex(): number;
    protected get isCurrent(): number;
    protected set isCurrent(index: number);
    setClass(option: Option): any;
    onClicked(index: number): void;
    onKeyEvent(keyEvent: KeyboardEvent): void;
    protected action(keyEvent: KeyboardEvent): void;
    private setDown;
    private setUp;
    private getSelected;
}