import * as pdfjsLib from "pdfjs-dist";
export declare class PdfRenderer {
    pdfDocument: pdfjsLib.PDFDocumentProxy | null;
    totalPages: number;
    currentPage: number;
    currentZoom: number;
    minZoom: number;
    maxZoom: number;
    pdfCanvas: HTMLCanvasElement;
    file: File | null;
    constructor(pdfCanvas: HTMLCanvasElement);
    loadFile(file: File): void;
    renderPage: (pageNumber: number) => Promise<void>;
    nextPage: () => void;
    previousPage: () => void;
    zoomIn: () => void;
    zoomOut: () => void;
}