import { EventEmitter, AfterViewInit, ElementRef } from '@angular/core';
import { BaseWidget } from '../base-widget';
import { NgAisInstantSearch } from '../instantsearch/instantsearch';
import { NgAisIndex } from '../index-widget/index-widget';
import { noop } from '../utils';
export declare class NgAisSearchBox extends BaseWidget implements AfterViewInit {
    parentIndex: NgAisIndex;
    instantSearchInstance: NgAisInstantSearch;
    searchBox: ElementRef;
    placeholder: string;
    submitTitle: string;
    resetTitle: string;
    searchAsYouType: boolean;
    autofocus: boolean;
    submit: EventEmitter<unknown>;
    reset: EventEmitter<unknown>;
    change: EventEmitter<unknown>;
    focus: EventEmitter<unknown>;
    blur: EventEmitter<unknown>;
    state: {
        query: string;
        refine: typeof noop;
    };
    constructor(parentIndex: NgAisIndex, instantSearchInstance: NgAisInstantSearch);
    ngAfterViewInit(): void;
    handleChange(query: string): void;
    handleSubmit(event: Event): void;
    handleReset(event: MouseEvent): void;
}