import { LitElement } from "lit";
import { type Placement } from "@popperjs/core";
export type PopoverTrigger = "click" | "hover" | "both";
export declare class Popover extends LitElement {
    static styles: import("lit").CSSResult[];
    title: string;
    trigger: PopoverTrigger;
    placement: Placement;
    offset: number;
    open: boolean;
    closeOnOutsideClick: boolean;
    private triggerElement;
    private popperElement?;
    private popperArrowElement?;
    private popperInstance?;
    connectedCallback(): void;
    disconnectedCallback(): void;
    updated(changedProps: Map<string | number | symbol, unknown>): void;
    private handleDocumentClick;
    private setOpen;
    private toggle;
    private handleMouseEnter;
    private handleMouseLeave;
    private updatePopper;
    private getPopperModifiers;
    private destroyPopper;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        "logosphere-popover": Popover;
    }
}