import { LitElement, PropertyValues } from "lit";
export type TooltipPlacement = "top" | "bottom" | "left" | "right";
/**
 * A tooltip is a message box that is displayed when a user hovers over or gives focus to a UI element.
 *
 * Tooltips should be used sparingly and contain succinct, supplementary information.
 *
 * @example
 * ```html
 * <w-button id="my-button" aria-labelledby="my-tooltip">Hover over me</w-button>
 * <w-tooltip id="my-tooltip" for="my-button">I am a tooltip</w-tooltip>
 * ```
 */
export declare class WarpTooltip extends LitElement {
    #private;
    static styles: import("lit").CSSResult[];
    /**
     * ID of the element that triggers the tooltip on hover or focus.
     */
    for: string;
    /**
     * Hide the arrow pointing toward the tooltip target.
     */
    noArrow: boolean;
    /**
     * Indicates whether the tooltip is visible or not.
     */
    open: boolean;
    /**
     * Sets the placement of the tooltip relative to its target.
     *
     * The tooltip will try to position itself at the given placement. If there is no room it will flip to the opposite side automatically.
     *
     * @default "top"
     */
    placement: TooltipPlacement;
    /**
     * Milliseconds to wait before showing the tooltip on hover.
     *
     * Keep at a non-zero value to avoid flickering the tooltip on and off when cursors move quickly past the target element.
     *
     * Focusing the target element shows the tooltip immediately.
     */
    showDelay: number;
    /**
     * Milliseconds to wait before hiding the tooltip on mouseout.
     */
    hideDelay: number;
    private target;
    private tooltip;
    private hoverBridge;
    private arrow;
    private beak;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected updated(_changedProperties: PropertyValues): void;
    firstUpdated(): void;
    private handleBlur;
    private handleFocus;
    private handleMouseOver;
    private handleKeydown;
    private handleMouseOut;
    hide(): Promise<void>;
    show(): Promise<void>;
    render(): import("lit").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        "w-tooltip": WarpTooltip;
    }
}