import { LitElement } from 'lit';
import { PopoverAlign, PopoverPosition, PopoverType, TypeNativePopoverController } from '../internal';
/**
 * @element nve-tooltip
 * @description A contextual popup that displays a plaintext description. Tooltips are [triggered](https://w3c.github.io/aria/#tooltip) by hovering, focusing, or tapping an element and cannot have interactive elements within them. [MDN Popover API](https://developer.mozilla.org/en-US/docs/Web/API/Popover_API)
 * @since 0.6.0
 * @entrypoint \@nvidia-elements/core/tooltip
 * @event beforetoggle - Dispatched on a popover just before showing or hiding. [MDN](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/beforetoggle_event)
 * @event toggle - Dispatched on a popover element just after showing or hiding. [MDN](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/toggle_event)
 * @event open - Dispatched when the tooltip opens.
 * @event close - Dispatched when the tooltip closes.
 * @slot - default content slot
 * @cssprop --border-radius
 * @cssprop --background
 * @cssprop --color
 * @cssprop --padding
 * @cssprop --box-shadow
 * @cssprop --font-size
 * @cssprop --font-weight
 * @cssprop --arrow-transform
 * @cssprop --width
 * @cssprop --height
 * @cssprop --border
 * @csspart arrow
 * @cssprop --animation-duration - Duration of tooltip open/close animations
 * @aria https://www.w3.org/WAI/ARIA/apg/patterns/tooltip/
 */
export declare class Tooltip extends LitElement {
    static styles: import('lit').CSSResult[];
    static readonly metadata: {
        tag: string;
        version: string;
    };
    /**
     * (optional) By default the popover automatically anchors itself relative to the trigger element.
     * Pass an optional custom anchor element as an idref string within the same render root or a HTMLElement DOM reference.
     */
    anchor: string | HTMLElement;
    /**
     * @deprecated Use the popover API instead.
     * The trigger defines what element triggers an `open` interaction event.
     * A trigger can accept a idref string within the same render root or a HTMLElement DOM reference.
     */
    trigger: string | HTMLElement;
    /**
     * Sets the side position of the popover relative to the provided anchor element.
     */
    position: PopoverPosition;
    /**
     * Sets the alignment of the popover relative to the provided anchor element.
     */
    alignment: PopoverAlign;
    /**
     * @deprecated Use the popover API instead.
     * Determines if popover visibility behavior should be automatically controlled by the trigger.
     */
    behaviorTrigger: boolean;
    /**
     * visual treatment to represent a ongoing task or support status
     */
    status: 'muted';
    /**
     * @deprecated Use interest-delay-start css property instead
     */
    openDelay: number;
    popoverArrow: HTMLElement;
    /** @private */
    readonly popoverType: PopoverType;
    protected typeNativePopoverController: TypeNativePopoverController<Tooltip>;
    /** @private */
    _internals: ElementInternals;
    render(): import('lit').TemplateResult<1>;
    connectedCallback(): void;
}