import { availablePositions, textAlignments } from './constants';
import type { Placement } from '@popperjs/core';
import type { DirectiveBinding } from 'vue';
export type TargetElement = HTMLElement & {
    __tooltip?: Tooltip;
};
export type TooltipOptions = {
    label: string;
    offset: [number, number];
    placement: Placement;
    show: boolean;
    textAlign: string;
    isFullLength: boolean;
    zIndex: number;
    withinTarget: boolean;
    /**
     * When false or undefined (default), the trigger gets aria-describedby pointing at the tooltip.
     * Set it to true when the trigger already has a full accessible name (e.g. aria-label)
     * and the tooltip is only for sighted hover to avoid duplicating the Screen Reader announcement.
     */
    ariaHidden?: boolean;
    isInfoButtonOnly?: boolean;
};
export type ToolTipOptionsInput = string | Partial<Omit<TooltipOptions, 'placement'> & {
    position: Placement;
}>;
export type AvailablePositions = (typeof availablePositions)[number];
export type TextAlignments = (typeof textAlignments)[number];
export declare class Tooltip {
    private static activeTooltip;
    private static mountedTriggers;
    private static onDocumentKeydown;
    private static registerTrigger;
    private static unregisterTrigger;
    private tooltipEl;
    private triggerEl;
    private popperInstance;
    private bridgeEl;
    private triggerHover;
    private tooltipHover;
    private bridgeHover;
    private clickActive;
    private options;
    private scrollableParents;
    private timer;
    constructor(trigger: TargetElement, opts: ToolTipOptionsInput | undefined);
    show(): void;
    hide(): void;
    addTriggerListeners(): void;
    removeTriggerListeners(): void;
    resetTriggerAttributes(): void;
    setOptions(opts: ToolTipOptionsInput | undefined): void;
    private setPopperInstance;
    private getCenteredArrowModifier;
    private scheduleHide;
    private clearTimer;
    private createTooltip;
    private setTooltipContent;
    private addTooltipListeners;
    private removeTooltipListeners;
    private setScrollableParents;
    private addScrollListeners;
    private removeScrollListeners;
    private cleanupTooltipInstances;
    private createBridge;
    private calculateBridgeGeometry;
    private removeBridge;
    private onBridgeEnter;
    private onBridgeLeave;
    private onTriggerEnter;
    private onTriggerLeave;
    private onTriggerPointerDown;
    private onTriggerClick;
    private onTriggerFocus;
    private onTriggerBlur;
    private onTooltipEnter;
    private onTooltipLeave;
    private onScroll;
    private isTriggerInViewport;
    private checkOverlapWithSlideover;
}
/**
 * @function validateBinding
 * @param   {DirectiveBinding<string | ToolTipOptionsInput>} binding
 * @returns {Boolean}
 */
export declare const validateBinding: (binding: DirectiveBinding<string | ToolTipOptionsInput>) => boolean;