import { AfterViewInit, ElementRef, EventEmitter, OnDestroy, OnInit, Renderer2 } from '@angular/core';
import { Layout } from '../common/layout';
import { DropdownService } from './dropdown.service';
import { Dropdown } from './models';
import * as i0 from "@angular/core";
/**
 *
 * @smeDoc {@label Dropdown @id sme-dropdown-component @internal}
 *
 * @overview
 * @file {@filepath ./examples/dropdown-overview.md}
 *
 * @example {@label Basic Usage @id basic-usage}
 * @file {@filename component.html @filepath ./examples/basic-usage.component.html}
 *
 * @example {@label Dropdown with advanced content @id advanced-dropdown}
 * @file {@filename component.html @filepath ./examples/advanced-dropdown.component.html}
 * @file {@filename component.ts @filepath ./examples/advanced-dropdown.component.ts}
 *
 */
/**
 * Component to create an dropdown
 */
export declare class DropdownComponent implements OnDestroy, OnInit, Dropdown, AfterViewInit {
    private renderer;
    private element;
    private dropdownService;
    private layout;
    private layoutChangeSubscriber;
    /**
     * Event Emitter for when the dropdown opens or closes. Emits a boolean to indicate if the dropdown is open
     * @deprecated since 9/25/2019. Please use 'toggled' instead
     */
    get onToggled(): EventEmitter<boolean>;
    toggled: EventEmitter<boolean>;
    /**
     * It indicates should automatically toggle to dropdown when the toggle element is clicked. Defaults to true
     */
    autoToggle: boolean;
    /**
     * It indicates whether to set the dropdown content width to be based on the actual content
     */
    autoWidth: boolean;
    /**
     * It determine whether to calculate height for the dropdown
     */
    calculateHeight: boolean;
    /**
     * It determines whether to display dropdown menu to side of toggle. Defaults to below
     */
    displayToSide: boolean;
    isContextMenu: boolean;
    /**
     * The content element. This must be provided by the DropdownContentDirective or possibly some custom implementation
     */
    contentElement: ElementRef;
    /**
     * The toggle element. This must be provided by the DropdownToggleDirective or possibly some custom implementation
     */
    toggleElement: ElementRef;
    /**
     * Determine if the dropdown will use the sme-form-field to limit its max-width
     */
    dropdownApplyFormFieldOffsetWidth: boolean;
    /**
     * Indicates the open state of the dropdown
     */
    isOpen: boolean;
    /**
     * Indicates how far the dropdown content has been translated to remain fully on screen
     */
    left: number;
    /**
     * Indicates how far the dropdown content has been translated to remain fully on screen
     */
    top: number;
    /**
     * Indicates if the dropdown is larger than the horizontal space available
     */
    overflowX: boolean;
    /**
     * Indicates if the dropdown is larger than the vertical space available
     */
    overflowY: boolean;
    /**
     * Indicates that dropdown should be disabled.
     */
    disabled: boolean;
    private unsubscribeToggleClick;
    /**
     * Initializes a new instance of the DropdownDirective
     */
    constructor(renderer: Renderer2, element: ElementRef, dropdownService: DropdownService, layout: Layout);
    /**
    * Angulars On Init Lifecycle Hook
    */
    ngOnInit(): void;
    ngAfterViewInit(): void;
    /**
     * Angulars On Destroy Lifecycle Hook
     */
    ngOnDestroy(): void;
    /**
     * Opens this dropdown
     */
    open(): void;
    /**
     * Listen to keyboard event and close dropdown when users do not focus on dropdown list
     */
    onKeyup(event: KeyboardEvent): void;
    /**
     * Closes this dropdown
     * @param event keyboard event including the current event target
     */
    close(event?: KeyboardEvent): void;
    /**
     * Toggles the dropdown
     * @param open Optional. If provided, forces the dropdown open or closed.
     */
    toggle(open?: boolean, calculateHeight?: boolean, displayToSide?: boolean, event?: KeyboardEvent): void;
    /**
     * Handler for the click event for the toggle element
     * @param event the mouse event of the click
     * @param manualToggle determine whether this is manually toggle
     */
    onToggleClick(event: any, manualToggle?: boolean): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownComponent, [null, null, null, { optional: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DropdownComponent, "sme-dropdown", never, { "autoToggle": "autoToggle"; "autoWidth": "autoWidth"; "calculateHeight": "calculateHeight"; "displayToSide": "displayToSide"; "isContextMenu": "isContextMenu"; "dropdownApplyFormFieldOffsetWidth": "dropdownApplyFormFieldOffsetWidth"; "disabled": "disabled"; }, { "onToggled": "onToggled"; "toggled": "toggled"; }, never, [".sme-dropdown-toggle", ".sme-dropdown-content"], false, never>;
}