import { LitElement } from 'lit';
export declare const measureOverflow: (el: Element) => boolean;
export type TooltipPlacement = 'top' | 'bottom' | 'left' | 'right' | 'top-start' | 'top-end' | 'bottom-start' | 'bottom-end' | 'left-start' | 'left-end' | 'right-start' | 'right-end';
export declare class SimpleTooltip extends LitElement {
    static styles: import("lit").CSSResult;
    showing: boolean;
    placement: TooltipPlacement;
    offset: number;
    openDelayMs: number;
    hideDelayMs: number;
    shouldShow?: () => boolean;
    private arrowElement;
    private _target;
    private openTimeout;
    private hideTimeout;
    private isHoveringTarget;
    private isHoveringTooltip;
    get target(): Element | null;
    set target(el: Element | null);
    connectedCallback(): void;
    disconnectedCallback(): void;
    firstUpdated(): void;
    scheduleShow: () => void;
    private showTooltipNow;
    private clearOpenTimeout;
    markHovering: () => void;
    private markNotHovering;
    private markHoveringTooltip;
    private handleTooltipLeave;
    scheduleHide: () => void;
    private clearHideTimeout;
    hide: () => void;
    render(): import("lit-html").TemplateResult<1>;
}
export declare const tooltip: (content: unknown, placement?: TooltipPlacement, delay?: number, onCleanup?: (cleanup: () => void) => void, shouldShow?: (target: Element) => boolean) => any;
export declare const overflowTooltip: (content: unknown, placement?: TooltipPlacement) => any;