import { EventEmitter } from "../../stencil-public-runtime";
import { FocusableComponent, OpenerComponent, ThemeableComponent } from "../../common";
import { DuetLanguage, DuetTheme } from "../../common-types";
export type DuetPopupMenuEvent = {
    open: boolean;
    component: "duet-popup-menu";
};
export declare class DuetPopupMenu implements ThemeableComponent {
    private teleport;
    private menuElement;
    private openButton;
    private autoUpdateCleanup;
    private filterInput?;
    private filterLabel;
    private filterResultCountLabel;
    private disconnectController;
    private eventListenerController;
    /**
     * Reference to host HTML element.
     */
    element: HTMLElement;
    open: boolean;
    menuY: number;
    menuX: number;
    filterResultCount: number;
    language: DuetLanguage;
    /**
     * Adds accessible label for the menu that is only presented for users of assistive technologies.
     * A popup menu should always have an accessible label that describes the popup's function.
     */
    accessibleLabel: string;
    /**
     * Accessible role.
     */
    accessibleRole: "menu" | "listbox" | "list";
    /**
     * Theme.
     */
    theme: DuetTheme;
    /**
     * @internal
     */
    skipTeleport: boolean;
    /**
     * Element, or id of an element, that controls the opening and closing of the popup menu. If id is given,
     * the component automatically sets the click event listener to open and close the popup-menu.
     */
    controller: string | HTMLDuetInputElement | (HTMLElement & FocusableComponent & OpenerComponent) | HTMLElement;
    /**
     * Alias for property controller.
     */
    get opener(): string | HTMLElement | HTMLDuetInputElement | (HTMLElement & FocusableComponent & OpenerComponent);
    set opener(value: string | HTMLElement | HTMLDuetInputElement | (HTMLElement & FocusableComponent & OpenerComponent));
    /**
     * Placement of the popup menu relative to its controller.
     * Possible values: "top", "bottom", "left" and "right", optionally combined with "-start" or "-end".
     */
    placement: "top" | "right" | "bottom" | "left" | "top-start" | "top-end" | "right-start" | "right-end" | "bottom-start" | "bottom-end" | "left-start" | "left-end";
    /**
     * Set true to override automatic placement on scrolling out of viewport and force the placement set with attribute.
     */
    forcePlacement: boolean;
    /**
     * Allow vertical flip when there is not enough space
     * below the controller.
     */
    allowVerticalFlip: boolean;
    /**
     * Position.
     */
    position: "absolute" | "fixed";
    /**
     * Main axis positioning offset of the popup menu relative to its controller.
     * For "top" and "bottom" placements main axis is vertical, for "left" and "right" horizontal.
     */
    mainAxisOffset: number;
    /**
     * Cross axis positioning offset of the popup menu relative to its controller.
     * For "top" and "bottom" placements cross axis is horizontal, for "left" and "right" vertical.
     */
    crossAxisOffset: number;
    /**
     * By default Popup Menu adds "action-arrow-down-small" icon to the controller.
     * This can be removed with controller-icon="".
     */
    controllerIcon: string;
    /**
     * Limit the amount of visible items in Popup Menu before showing a scroll bar.
     */
    scrollLimit: number;
    /**
     * Show input where user can type to filter popup-menu items to those that have a match in value or text content
     */
    showFilterInput: boolean;
    /**
     * Emitted when the popup menu is opened or closed.
     */
    duetToggle: EventEmitter<DuetPopupMenuEvent>;
    /**
     * Component lifecycle events.
     */
    componentWillLoad(): void;
    componentDidLoad(): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
    /**
     * Component event handling.
     */
    handleKeyUp(evt: any): void;
    handleKeyDown(evt: any): Promise<void>;
    handleClick(evt: any): void;
    /**
     * isOpen.
     */
    isOpen(): Promise<boolean>;
    /**
     * Show.
     */
    show(): Promise<void>;
    /**
     * Hide.
     */
    hide(): Promise<void>;
    /**
     * Toggle.
     */
    toggle(): Promise<void>;
    handleOpenChange(newValue: any, oldValue: any): void;
    handleControllerChange(newValue: any, oldValue: any): void;
    private setOpenButton;
    private openButtonEventListener;
    private updatePlacement;
    private get itemElements();
    private getAllPrecedingMatchingSiblings;
    private get popupMenuStyleHeight();
    private getFocusedItemIndex;
    private getNonFilteredItems;
    private filterItems;
    private handleKeyDownOnFilter;
    render(): any;
}