export declare type PDFPageProxy = import('pdfjs-dist/types/src/display/api').PDFPageProxy;
export declare type PDFSource = import('pdfjs-dist/types/src/display/api').DocumentInitParameters;
export declare type PDFDocumentProxy = import('pdfjs-dist/types/src/display/api').PDFDocumentProxy;
export declare type PDFDocumentLoadingTask = import('pdfjs-dist/types/src/display/api').PDFDocumentLoadingTask;
export declare type PDFViewerOptions = import('pdfjs-dist/types/web/pdf_viewer').PDFViewerOptions;
export interface PDFProgressData {
    loaded: number;
    total: number;
}