import { OnInit, EventEmitter, OnChanges, SimpleChanges, TemplateRef, ElementRef, AfterViewInit, NgZone } from '@angular/core';
import { PDFNotificationService } from './../../pdf-notification-service';
export declare class PdfSecondaryToolbarComponent implements OnInit, OnChanges, AfterViewInit {
    private element;
    private notificationService;
    private ngZone;
    customSecondaryToolbar: TemplateRef<any>;
    secondaryToolbarTop: any;
    mobileFriendlyZoomScale: number;
    showPresentationModeButton: boolean;
    showOpenFileButton: boolean;
    showPrintButton: boolean;
    showDownloadButton: boolean;
    showBookmarkButton: boolean;
    showPagingButtons: boolean;
    showRotateButton: boolean;
    showHandToolButton: boolean;
    showScrollingButton: boolean;
    showSpreadButton: boolean;
    showPropertiesButton: boolean;
    spreadChange: EventEmitter<string>;
    secondaryMenuIsEmpty: EventEmitter<boolean>;
    disablePreviousPage: boolean;
    disableNextPage: boolean;
    constructor(element: ElementRef, notificationService: PDFNotificationService, ngZone: NgZone);
    onPdfJsInit(): void;
    updateUIState(): void;
    onSpreadChange(newSpread: string): void;
    ngOnChanges(changes: SimpleChanges): void;
    onResize(): void;
    ngAfterViewInit(): void;
    ngOnInit(): void;
    checkVisibility(): void;
    private checkVisibilityRecursively;
    previousPage(): void;
    nextPage(): void;
}