import { DocumentInitParameters, PDFDataRangeTransport, TypedArray } from 'pdfjs-dist/types/display/api';
import { PdfDocument } from './classes/PdfDocument';
import * as i0 from "@angular/core";
export declare class NgxPdfService {
    constructor();
    loadDocument(source: string | TypedArray | DocumentInitParameters | PDFDataRangeTransport, scale?: number, onProgress?: (event: ProgressEvent) => void): Promise<PdfDocument>;
    sliceDocument(document: PdfDocument, startIndex?: number, endIndex?: number): Promise<PdfDocument>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxPdfService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgxPdfService>;
}