import { ReactiveController, ReactiveControllerHost } from 'lit';
import { Placement } from '@floating-ui/dom';
export interface PopoverControllerConfig {
    getTriggerElement: () => HTMLElement | null;
    getFloatingElement: () => HTMLElement | null;
    getArrowElement: () => HTMLElement | null;
    onPlacementChange?: (placement: string) => void;
}
export interface PositionOptions {
    placement: Placement;
    distance: number;
    /** Offset along the cross axis, in pixels (e.g. to align a submenu's first item with its trigger). */
    skidding?: number;
    fullWidth?: boolean;
    /** Floor the floating element's width at the trigger's width (`'trigger'`). */
    minWidth?: 'trigger';
}
type TriggerHandlers = {
    onPointerEnter?: (e: PointerEvent) => void;
    onPointerLeave?: (e: PointerEvent) => void;
    onFocusIn?: (e: FocusEvent) => void;
    onFocusOut?: (e: FocusEvent) => void;
    onClick?: (e: MouseEvent) => void;
    onKeyDown?: (e: KeyboardEvent) => void;
};
export declare class PopoverController implements ReactiveController {
    private _host;
    private _config;
    private _cleanupAutoUpdate?;
    private _cleanupSafePolygon?;
    private _handlers?;
    private _triggerElement?;
    private _currentPlacement;
    constructor(host: ReactiveControllerHost & HTMLElement, config: PopoverControllerConfig);
    hostConnected(): void;
    hostDisconnected(): void;
    get currentPlacement(): string;
    updatePosition(options: PositionOptions): Promise<void>;
    startPositioning(options: PositionOptions): void;
    stopPositioning(): void;
    handlePointerLeave(e: PointerEvent, onHide: () => void): void;
    cleanupSafePolygon(): void;
    addTriggerListeners(handlers: TriggerHandlers): void;
    removeTriggerListeners(triggerOverride?: HTMLElement | null): void;
    animateShow(el: HTMLElement, duration: number, keyframes?: Keyframe[]): Promise<void>;
    animateHide(el: HTMLElement, duration: number, keyframes?: Keyframe[]): Promise<void>;
}
export {};
//# sourceMappingURL=popover.d.ts.map