import { EventEmitter, OnInit, SimpleChanges, OnChanges } from '@angular/core';
import { IDropDownOption } from "./dropdown-models";
import { Size } from "../../common/enums";
import { BaseTextElementComponent } from "../text-elements/base-text-element.component";
import { InputComponent } from '../text-elements/input/input.component';
export declare class DropDownComponent extends BaseTextElementComponent implements OnInit, OnChanges {
    dropdownInput: InputComponent;
    changeEmitter: EventEmitter<IDropDownOption>;
    options: IDropDownOption[];
    selectedOption: IDropDownOption;
    selectedOptionVal: string;
    size: Size;
    show: boolean;
    private unselectableOptions;
    isGroupDesign: boolean;
    allOptions: IDropDownOption[];
    filterValue: string;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    getValue(): any;
    private getSelectedOptionByVal;
    selectOption: (selectedOption: IDropDownOption) => void;
    toggleDropdown: (event?: any) => void;
    private isSelectable;
    closeListOptions: () => void;
}