import { LitElement } from 'lit';
/**
 * General-purpose floating popover component
 *
 * @slot trigger - The element that opens the popover
 * @slot - Default slot for popover content
 *
 * @property {boolean} open - Whether the popover is visible
 * @property {string} trigger - Trigger mode: click or hover
 * @property {string} placement - Position relative to trigger: top, bottom, left, right
 * @property {boolean} arrow - Whether to show an arrow pointing to the trigger
 * @property {number} offset - Pixel distance from the trigger
 * @property {boolean} closeOnOutsideClick - Close when clicking outside
 * @property {boolean} closeOnEscape - Close when pressing Escape
 *
 * @csspart trigger - The trigger wrapper
 * @csspart popover - The popover floating panel
 * @csspart arrow - The arrow element
 * @csspart content - The content wrapper inside the popover
 */
export declare class UIPopover extends LitElement {
    static styles: import("lit").CSSResult;
    open: boolean;
    trigger: 'click' | 'hover';
    placement: 'top' | 'bottom' | 'left' | 'right';
    arrow: boolean;
    offset: number;
    closeOnOutsideClick: boolean;
    closeOnEscape: boolean;
    private popoverId;
    private triggerId;
    private _hoverIntent;
    private _hoverTimeout?;
    private _boundOnDocumentClick;
    private _boundOnKeyDown;
    connectedCallback(): void;
    disconnectedCallback(): void;
    updated(changedProperties: Map<string | number | symbol, unknown>): void;
    private onDocumentClick;
    private onKeyDown;
    private handleTriggerClick;
    private handleTriggerKeyDown;
    private handleMouseEnter;
    private handleMouseLeave;
    /** Open the popover */
    show(): void;
    /** Close the popover */
    hide(): void;
    /** Toggle the popover open/closed */
    toggle(): void;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'ui-popover': UIPopover;
    }
}
//# sourceMappingURL=popover.d.ts.map