import { ElementRef } from '@angular/core';
import { Subject } from 'rxjs';
export declare class TextInputAutocompleteMenuComponent {
    dropdownMenuElement: ElementRef<HTMLUListElement>;
    position: {
        top: number;
        left: number;
    };
    selectChoice: Subject<{}>;
    activeChoice: any;
    searchText: string;
    choiceLoadError: any;
    choiceLoading: boolean;
    private _choices;
    trackById: (index: number, choice: any) => any;
    choices: any[];
    readonly top: number;
    readonly left: number;
    onArrowDown(event: KeyboardEvent): void;
    onArrowUp(event: KeyboardEvent): void;
    onEnter(event: KeyboardEvent): void;
    private scrollToChoice(index);
}