import { AfterViewInit, ElementRef, EventEmitter, OnChanges, OnDestroy, SimpleChanges, TemplateRef } from '@angular/core';
import { PdfShyButtonService } from '../../toolbar/pdf-shy-button/pdf-shy-button-service';
import { PDFNotificationService } from './../../pdf-notification-service';
import * as i0 from "@angular/core";
export declare class PdfSecondaryToolbarComponent implements OnChanges, AfterViewInit, OnDestroy {
    private element;
    notificationService: PDFNotificationService;
    private platformId;
    pdfShyButtonService: PdfShyButtonService;
    customSecondaryToolbar: TemplateRef<any> | undefined;
    secondaryToolbarTop: any;
    mobileFriendlyZoomScale: number;
    localizationInitialized: boolean;
    spreadChange: EventEmitter<"off" | "even" | "odd">;
    secondaryMenuIsEmpty: EventEmitter<boolean>;
    disablePreviousPage: boolean;
    disableNextPage: boolean;
    private classMutationObserver;
    constructor(element: ElementRef, notificationService: PDFNotificationService, platformId: Object, pdfShyButtonService: PdfShyButtonService);
    onPdfJsInit(): void;
    updateUIState(): void;
    onSpreadChange(newSpread: 'off' | 'odd' | 'even'): void;
    ngOnChanges(changes: SimpleChanges): void;
    onResize(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    checkVisibility(): void;
    private checkVisibilityRecursively;
    onClick(htmlevent: Event, action: undefined | (() => void), eventBusName?: string, closeOnClick?: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<PdfSecondaryToolbarComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PdfSecondaryToolbarComponent, "pdf-secondary-toolbar", never, { "customSecondaryToolbar": "customSecondaryToolbar"; "secondaryToolbarTop": "secondaryToolbarTop"; "mobileFriendlyZoomScale": "mobileFriendlyZoomScale"; "localizationInitialized": "localizationInitialized"; }, { "spreadChange": "spreadChange"; "secondaryMenuIsEmpty": "secondaryMenuIsEmpty"; }, never, never>;
}