import { AfterViewInit, ElementRef, EventEmitter, OnDestroy, OnInit, Renderer2 } from '@angular/core';
import { OptionModel } from './dropdown-option.model';
import { DropdownOptions } from './dropdown.model';
import { Subscription } from 'rxjs';
import { OptionsService } from './options.service';
import * as i0 from "@angular/core";
export declare class DropdownComponent implements OnInit, AfterViewInit, OnDestroy {
    private document;
    private elem;
    private renderer;
    optionsService: OptionsService;
    dropdownElement: ElementRef;
    resultEvent: EventEmitter<any>;
    config: DropdownOptions;
    sub: Subscription;
    currentOption: OptionModel;
    inverted: boolean;
    rects: {
        bottom?: any;
        top?: any;
        left?: any;
        width?: any;
    };
    highlightedIndex: number;
    constructor(document: any, elem: ElementRef, renderer: Renderer2, optionsService: OptionsService);
    onOptionMouseEnter(o: OptionModel, index: number): void;
    onOptionMouseLeave(): void;
    select(ev: any, option: OptionModel): void;
    onResult(res?: OptionModel): void;
    nextOption(direction: 'up' | 'down'): void;
    autoScroll(direction: 'up' | 'down'): void;
    /**
     * click outside subscription if backdrop disabled. also dropdown must be attached during input
     */
    initClickOutsideSub(): void;
    /**
     * detect relative position to prevent dropdown being hidden over `overflow: none`
     */
    getDropdownRects(): void;
    /**
     * - if `fitWidth` config options is true
     * there are width declared depending on its parent element
     * - if `rects.top` calculated there is enough place to drop it down,
     *  if it hits `rects.bottom` – show it above the element
     */
    setDropdownPosition(): void;
    /**
     * detect window resize and scroll to prevent failed dropdown position
     */
    initClosingSubscriptions(): void;
    /**
     * keyboard events
     */
    initKeydownSubscription(): void;
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DropdownComponent, "sdk-dropdown-menu", never, { "config": "config"; }, { "resultEvent": "resultEvent"; }, never, never, false>;
}