import { OnInit, OnDestroy, ElementRef } from '@angular/core';
import { FormControl } from '@angular/forms';
import { BehaviorSubject, Subject } from 'rxjs';
import { SearchService } from '../services/search.service';
export declare class SearchPanelComponent implements OnInit, OnDestroy {
    private searchService;
    searchInputElement: ElementRef;
    isSearchOpen$: Subject<boolean>;
    searchInput: FormControl;
    loading$: BehaviorSubject<boolean>;
    presenters: any[];
    showResultsPanel: boolean;
    isResultsEmpty: boolean;
    constructor(searchService: SearchService);
    ngOnInit(): void;
    ngOnDestroy(): void;
    openResultsPanel(): void;
    closeResultsPanel(): void;
    focusToSearchInput(): void;
    readonly isSearchInputValid: boolean;
}