import { ReactiveController, ReactiveControllerHost } from 'lit';
import { InternalsAttachedInterface } from '../mixins/internals-attached.js';
import { MiddlewareData, Placement, Strategy } from '@floating-ui/dom';
export declare function transformOriginFromArrow(placement: Placement, arrowData?: MiddlewareData['arrow']): string;
export interface PopoverControllerConfig {
    popover: () => HTMLElement | null;
    trigger: () => HTMLElement | null;
    positioning: {
        placement: () => Placement;
        strategy: () => Strategy;
        offset: () => number;
        windowPadding: () => number;
    };
    durations: {
        open: () => number;
        close: () => number;
    };
    onClickAway?: () => void;
}
export declare class PopoverController implements ReactiveController {
    #private;
    host: ReactiveControllerHost & InternalsAttachedInterface;
    private readonly config;
    private _open;
    get open(): boolean;
    private cleanupAutoUpdate?;
    constructor(host: ReactiveControllerHost & InternalsAttachedInterface, config: PopoverControllerConfig);
    hostConnected(): void;
    hostDisconnected(): void;
    animateOpen(): Promise<void>;
    animateClose(): Promise<void>;
    private cleanup;
    private _dummyArrow;
    reposition(): Promise<void>;
}