import { EventEmitter, TemplateRef, ElementRef } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { DropdownOptions } from './model/dropdown-options';
import { DropdownOption } from './model/dropdown-option';
import { FormShared } from '../form-shared/form.shared';
import { TooltipOptions } from '../tooltip/model/tooltip-options';
export declare class DropdownComponent extends FormShared {
    private elementRef;
    options: DropdownOptions<any>;
    form: FormGroup;
    selectEmitter: EventEmitter<any>;
    selectOptionEmitter: EventEmitter<any>;
    advanceOptionEmitter: EventEmitter<any>;
    hoverEmitter: EventEmitter<any>;
    clickEmitter: EventEmitter<boolean>;
    dropdownMenu: any;
    formDropdownTemplate: any;
    dropdownTemplate: any;
    errorContainer: any;
    errorIconElement: any;
    tooltipOptions: TooltipOptions;
    currentTplRef: TemplateRef<any>;
    isOpen: boolean;
    selectedOption: DropdownOption<any>;
    arrIndex: number;
    eleIndex: number;
    dropdownPositionStyles: {};
    visibleDropdownOptionGroups: DropdownOption<any>[][];
    typedValue: string;
    hasOptionIcon: boolean;
    private hoveredOption;
    private preventDuplicateKeyPresses;
    private dropdownElement;
    private oldBtnPosition;
    errorLeft: string;
    errorTop: string;
    errorOpacity: number;
    errorFlag: boolean;
    constructor(elementRef: ElementRef);
    ngOnInit(): void;
    ngAfterContentInit(): void;
    toggleDropdown(): void;
    onSelect(arrIndex: number, eleIndex: number): void;
    onHover(arrIndex: number, eleIndex: number): void;
    isHovered(arrIndex: number, eleIndex: number): boolean;
    selectNull(): void;
    refreshOptionGroups(event: KeyboardEvent): void;
    imeEnd(event: Event): void;
    private closeDropdown;
    private updateVisibleDropdownOptionGroups;
    private calculateArrAndEleIndex;
    private selectOption;
    private adjustStoredIndex;
    private updateScrollTop;
    private updateSelectedOption;
    private updateTypedValueWhenClickingOutside;
    private updateHasOptionIcon;
    setDropdownPosition(): boolean;
    onClickOutside(event: MouseEvent): void;
    onKeyDown(event: KeyboardEvent): void;
    setErrorContainer(): void;
    getErrorClass(): {
        'tooltip-right': boolean;
        'error-visible': any;
        'tooltip-bottom'?: undefined;
        'tooltip-left'?: undefined;
        'tooltip-top'?: undefined;
    } | {
        'tooltip-bottom': boolean;
        'error-visible': any;
        'tooltip-right'?: undefined;
        'tooltip-left'?: undefined;
        'tooltip-top'?: undefined;
    } | {
        'tooltip-left': boolean;
        'error-visible': any;
        'tooltip-right'?: undefined;
        'tooltip-bottom'?: undefined;
        'tooltip-top'?: undefined;
    } | {
        'tooltip-top': boolean;
        'error-visible': any;
        'tooltip-right'?: undefined;
        'tooltip-bottom'?: undefined;
        'tooltip-left'?: undefined;
    };
    advance(): void;
    reset(isReset: boolean): void;
}