import { EventEmitter, ChangeDetectorRef } from '@angular/core';
import { RunContextBrowser } from '../../../rc-browser';
import { SelectionBoxParams } from '@mubble/core';
import { MatCheckboxChange } from '@angular/material/checkbox';
export declare class DropDownMultiSelectComponent {
    protected rc: RunContextBrowser;
    private changeRef;
    showDropDown: boolean;
    isDropDownOpen: boolean;
    isSelectAll: boolean;
    showPlaceHolder: boolean;
    listOptions: SelectionBoxParams[];
    options: SelectionBoxParams[];
    showSelectAll: boolean;
    placeholder: string;
    selectedItems: EventEmitter<SelectionBoxParams>;
    selectedAll: EventEmitter<MatCheckboxChange>;
    constructor(rc: RunContextBrowser, changeRef: ChangeDetectorRef);
    ngOnInit(): void;
    onHostClick(element: any): void;
    private handlePlaceHolder;
    handleDropDown(): void;
    onCheckBoxClick(event: MatCheckboxChange, option: SelectionBoxParams): void;
    onSelectAll(event: MatCheckboxChange): void;
}