import { ElementRef, EventEmitter, OnDestroy } from "@angular/core";
import { AutoPlacementOptions, Boundary, Placement } from "@floating-ui/dom";
import { DropdownAttachTo } from "../common-types";
import * as i0 from "@angular/core";
export declare class DropdownDirective implements OnDestroy {
    protected element: ElementRef<HTMLElement>;
    protected static active: DropdownDirective;
    protected opened: boolean;
    protected disabled: boolean;
    /**
     * Determines if the dropdown should be closed even if we click inside it
     */
    closeInside: boolean;
    /**
     * Determines where the floating element needs to be placed
     */
    attachTo: DropdownAttachTo;
    /**
     * Determines the boundary element of the floating element when shifting
     */
    boundary: Boundary;
    /**
     * Where to place the floating element relative to the reference element.
     */
    placement: Placement;
    /**
     * Optimizes the visibility of the floating element by choosing the placement
     * that has the most space available automatically, without needing to specify a
     * preferred placement. Alternative to `flip`.
     * @see https://floating-ui.com/docs/autoPlacement
     */
    autoPlacement: AutoPlacementOptions;
    /**
     * Determines if the dropdown content should be displayed in a fixed full screen view under this window width
     * @default 0
     */
    mobileViewUnder: number;
    /**
     * Determines if the dropdown content should always be displayed in a fixed full screen view
     * @default false
     */
    fixed: boolean;
    /**
     * Determines if the dropdown should react to keys to close like 'Esc'
     * @default true
     */
    keyboardHandler: boolean;
    onShown: EventEmitter<DropdownDirective>;
    onHidden: EventEmitter<DropdownDirective>;
    onKeyboard: EventEmitter<KeyboardEvent>;
    contentElement: HTMLElement;
    private readonly onClick;
    private readonly onKeyDown;
    get nativeElement(): HTMLElement;
    get isOpened(): boolean;
    get getDisabled(): boolean;
    set isDisabled(value: boolean);
    constructor(element: ElementRef<HTMLElement>);
    ngOnDestroy(): void;
    showEvent(): void;
    hideEvent(): void;
    show($event?: Event): boolean;
    hide(): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DropdownDirective, "[dd],[drop-down]", ["dropdown"], { "closeInside": { "alias": "closeInside"; "required": false; }; "attachTo": { "alias": "attachTo"; "required": false; }; "boundary": { "alias": "boundary"; "required": false; }; "placement": { "alias": "placement"; "required": false; }; "autoPlacement": { "alias": "autoPlacement"; "required": false; }; "mobileViewUnder": { "alias": "mobileViewUnder"; "required": false; }; "fixed": { "alias": "fixed"; "required": false; }; "keyboardHandler": { "alias": "keyboardHandler"; "required": false; }; "isDisabled": { "alias": "isDisabled"; "required": false; }; }, { "onShown": "onShown"; "onHidden": "onHidden"; "onKeyboard": "onKeyboard"; }, never, never, false, never>;
}