import { DocumentType } from './types';
import * as i0 from "@angular/core";
export declare class ImgPdfViewerService {
    constructor();
    /**
     * Download a blob URL
     */
    downloadBlob(blob: string, fileName: string): void;
    /**
     * Download a resource from URL
     */
    downloadResource(url: string, fileName?: string): Promise<void>;
    /**
     * Get file name from URL
     */
    getFileName(url: string): string;
    /**
     * Check file type from URL or filename
     */
    fileTypeChecker(file: string): DocumentType;
    /**
     * Open blob in new window
     */
    openBlobInNewWindow(url: string): void;
    /**
     * Validate URL
     */
    isValidUrl(url: string): boolean;
    /**
     * Detect document type
     */
    detectDocumentType(url: string): DocumentType;
    /**
     * Get file size from URL (if accessible)
     */
    getFileSize(url: string): Promise<number | null>;
    /**
     * Get MIME type from URL
     */
    getMimeType(url: string): Promise<string | null>;
    /**
     * Check if URL is accessible
     */
    isUrlAccessible(url: string): Promise<boolean>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ImgPdfViewerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ImgPdfViewerService>;
}