import { Overlay, OverlayPositionBuilder } from '@angular/cdk/overlay';
import { ElementRef, OnDestroy, Renderer2 } from '@angular/core';
export declare class TooltipDirective implements OnDestroy {
    private overlay;
    private overlayPositionBuilder;
    private elementRef;
    private componentRenderer;
    text: string;
    private _darkMode;
    darkMode: boolean;
    private _showOnDemand;
    showOnDemand: boolean;
    maxLength: number;
    private showDelay;
    private hideDelay;
    private showDelayTimer;
    private showNextTickTimer;
    private hideDelayTimer;
    private overlayRef;
    private tooltipRef;
    private status;
    constructor(overlay: Overlay, overlayPositionBuilder: OverlayPositionBuilder, elementRef: ElementRef, componentRenderer: Renderer2);
    show(): void;
    hide(): void;
    ngOnDestroy(): void;
    private _show;
    private _hide;
    private showTooltip;
    private onShow;
    private hideTooltip;
    private onHide;
    private listenTransitionEnd;
    private unListenTransitionEnd;
    private getTooltipText;
}