import { ElementRef, EventEmitter, AfterViewInit } from '@angular/core';
import { Subject } from 'rxjs';
import { BreakPoint } from './bs4-breakpoint.enum';
import { Size } from './size.enum';
export declare class Bs4BreakpointsComponent implements AfterViewInit {
    private e;
    changed: EventEmitter<BreakPoint>;
    resize: EventEmitter<Size>;
    current: BreakPoint;
    width: number;
    height: number;
    constructor(e: ElementRef);
    destroy$: Subject<void>;
    resizeObservable$: import("rxjs").Observable<Event>;
    onWindowResize(): void;
    isVisible(obj: Element): boolean;
    check(): boolean;
    notify(): void;
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
}