import { OnDestroy, AfterViewInit } from '@angular/core';
import { Subject, Observable } from 'rxjs';
import { FormControlHost } from '../form-control-group/index';
import { Hint } from './types';
import { FormField } from './fields/index';
import { NgForm } from '@angular/forms';
export declare class JssFormHintsComponent implements OnDestroy, AfterViewInit {
    private ngForm;
    private field?;
    private fch?;
    constructor(ngForm: NgForm, field?: FormField<any>, fch?: FormControlHost);
    private _hints;
    private _sub;
    _hintsEmitter: Subject<void>;
    hints$: Observable<Hint[]>;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
}