import { EventEmitter, OnInit, OnDestroy, OnChanges, SimpleChanges, ElementRef, ChangeDetectorRef, NgZone, AfterViewInit, QueryList } from '@angular/core';
import { PDFDocumentProxy } from 'pdfjs-dist';
import { ErrorBoundaryService } from './error-boundary.service';
import * as i0 from "@angular/core";
export declare class PdfViewerComponent implements OnInit, OnDestroy, OnChanges, AfterViewInit {
    private cdr;
    private ngZone;
    private errorBoundary;
    src: string;
    currentPage: number;
    zoom: number;
    rotation: number;
    viewMode: 'single' | 'continuous';
    height: string;
    width: string;
    fullscreen: boolean;
    proxyUrl?: string;
    onLoad: EventEmitter<{
        totalPages: number;
    }>;
    onError: EventEmitter<string>;
    onPageChange: EventEmitter<number>;
    pdfCanvas: ElementRef<HTMLCanvasElement>;
    pageCanvases: QueryList<ElementRef<HTMLCanvasElement>>;
    loading: boolean;
    error: string | null;
    totalPages: number;
    pages: number[];
    loadedPages: Set<number>;
    pdfDocument: PDFDocumentProxy | null;
    proxiedSrc: string;
    isExternal: boolean;
    isCorsError: boolean;
    private containerWidth;
    private abortController;
    private timeoutId;
    private heartbeatId;
    private lastActivity;
    private renderTasks;
    constructor(cdr: ChangeDetectorRef, ngZone: NgZone, errorBoundary: ErrorBoundaryService);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private onWindowResize;
    private initializePdf;
    private loadPdfDocument;
    private renderCurrentPage;
    private isRendering;
    private renderAllPages;
    private setError;
    retry(): void;
    openInNewTab(): void;
    download(): void;
    private getFileName;
    private startHeartbeat;
    private stopHeartbeat;
    private updateActivity;
    private cancelAllRenderTasks;
    private cleanup;
    static ɵfac: i0.ɵɵFactoryDeclaration<PdfViewerComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PdfViewerComponent, "ngx-pdf-viewer", never, { "src": "src"; "currentPage": "currentPage"; "zoom": "zoom"; "rotation": "rotation"; "viewMode": "viewMode"; "height": "height"; "width": "width"; "fullscreen": "fullscreen"; "proxyUrl": "proxyUrl"; }, { "onLoad": "onLoad"; "onError": "onError"; "onPageChange": "onPageChange"; }, never, never>;
}