import { LitElement } from 'lit';
export interface PopoverOrigin {
    vertical: 'top' | 'center' | 'bottom';
    horizontal: 'left' | 'center' | 'right';
}
export interface PopoverPosition {
    top: number;
    left: number;
}
export declare class Popover extends LitElement {
    open: boolean;
    anchorEl: Element | null;
    anchorReference: 'anchorEl' | 'anchorPosition' | 'none';
    anchorPosition: PopoverPosition | null;
    anchorOrigin: PopoverOrigin;
    transformOrigin: PopoverOrigin;
    marginThreshold: number;
    container: string | Element | null;
    disableAutoFocus: boolean;
    disableEnforceFocus: boolean;
    disableRestoreFocus: boolean;
    hideBackdrop: boolean;
    disableBackdropClick: boolean;
    disableEscapeKeyDown: boolean;
    transitionDuration: string;
    elevation: number;
    private _position;
    private _isPositioned;
    private _exited;
    private _lastFocusedElement;
    private _popoverRef;
    private _resizeObserver;
    static styles: import("lit").CSSResult;
    connectedCallback(): void;
    disconnectedCallback(): void;
    updated(changedProperties: Map<string, any>): void;
    private _setupTransitionDuration;
    private _setupResizeObserver;
    private _cleanupResizeObserver;
    private _handleOpen;
    private _handleClose;
    private _updatePosition;
    private _getAnchorElPosition;
    private _constrainPosition;
    private _updateTransformOrigin;
    private _autoFocus;
    private _restoreFocus;
    private _findFocusableElement;
    private _addEventListeners;
    private _removeEventListeners;
    private _handleKeyDown;
    private _handleFocusIn;
    private _handleScroll;
    private _handleResize;
    private _handleTabKey;
    private _handleBackdropClick;
    private _handleContentClick;
    private _dispatchEvent;
    firstUpdated(changedProperties: Map<string, any>): void;
    render(): import("lit-html").TemplateResult<1>;
}
export declare function createPopover(options?: {
    content?: HTMLElement | string;
    anchorEl?: Element;
    anchorOrigin?: PopoverOrigin;
    transformOrigin?: PopoverOrigin;
    open?: boolean;
    onClose?: () => void;
    onOpen?: () => void;
}): Popover;
//# sourceMappingURL=Popover.d.ts.map