import { EventEmitter, ElementRef } from "@angular/core";
import { DropdownMultipleCheckboxOptions } from './model/dropdown_multiple_checkbox_options';
import { DropdownMultipleCheckboxOption } from './model/dropdown_multiple_checkbox_option';
export declare class DropdownMultipleCheckboxComponent {
    checkboxDropdownElement: any;
    widthBox: ElementRef;
    searchInput: ElementRef;
    options: DropdownMultipleCheckboxOptions<string>;
    selectEmitter: EventEmitter<any>;
    searchStr: string;
    isOpen: boolean;
    checkedList: DropdownMultipleCheckboxOption<any>[];
    inputWidth: string;
    inoutFocus: boolean;
    visibleDropdownOptionGroups: DropdownMultipleCheckboxOption<any>[];
    showType: string;
    checkedListNum: number;
    isAllChecked: boolean;
    oldCheckList: DropdownMultipleCheckboxOption<any>[];
    ngOnInit(): void;
    ngOnChanges(): void;
    updateSelectedoptions(): void;
    isEquObj(a: any, b: any): boolean;
    toggleDropdown(): void;
    closeDropdown(): void;
    deleteSelect(item: DropdownMultipleCheckboxOption<any>): void;
    checkItem(item: DropdownMultipleCheckboxOption<any>): void;
    checkAll(checked: boolean): void;
    filterItem(): void;
    updateCheckedItem(selectOption: DropdownMultipleCheckboxOption<any>[], flag?: boolean): void;
    submitSelect(): void;
    emitValue(): void;
    searchEvent(): void;
    widthChange(): void;
    focus(): void;
    unique(array: any): any;
    selectNull(): void;
    readonly checkedValue: string;
    onClickOutside(event: MouseEvent): void;
}