import { ComponentFactoryResolver, ElementRef, Injector, NgZone, OnDestroy, OnInit } from "@angular/core";
import { NHintPlacement } from "../components/n-hint/n-hint.component";
export declare class NHintDirective implements OnDestroy, OnInit {
    private elementRef;
    private cr;
    private injector;
    private zone;
    delay: number;
    nHintTouchMode: boolean;
    private control;
    private _disabled;
    private _hintText$;
    private _subtitle$;
    private _sideNote$;
    constructor(elementRef: ElementRef, cr: ComponentFactoryResolver, injector: Injector, zone: NgZone);
    set hintText(val: string);
    set subtitle(val: string);
    set sideNote(val: string);
    private _placement;
    set placement(val: NHintPlacement);
    set nHintDisabled(val: boolean);
    ngOnInit(): void;
    ngOnDestroy(): void;
}