import { OnInit, AfterViewInit, ElementRef, Renderer2, OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class PgTopbarComponent implements OnInit, AfterViewInit, OnDestroy {
    elementRef: ElementRef;
    private _renderer;
    readonly classPgTopbar = true;
    fixed: boolean;
    _topbarSpacerChild: ElementRef;
    _topbarWrapperChild: ElementRef;
    observer: MutationObserver;
    get _headerWrapperEl(): HTMLElement;
    get _headerSpacerEl(): HTMLElement;
    constructor(elementRef: ElementRef, _renderer: Renderer2);
    ngOnInit(): void;
    ngOnDestroy(): void;
    ngAfterViewInit(): void;
    recalculateSpacerHeight(): void;
    static ɵfac: i0.ɵɵFactoryDef<PgTopbarComponent, never>;
    static ɵcmp: i0.ɵɵComponentDefWithMeta<PgTopbarComponent, "pg-topbar, grit-topbar", ["PgTopbar", "pgTopbar", "gritTopbar"], { "fixed": "fixed"; }, {}, never, ["*"]>;
}