declare module 'pdfjs-dist/build/pdf' {
  export const GlobalWorkerOptions: { workerSrc: string };
  export function getDocument(src: { data: Uint8Array }): { promise: Promise<{
    numPages: number;
    getPage: (n: number) => Promise<{
      getViewport: (opts: { scale: number }) => { width: number; height: number };
      render: (opts: { canvasContext: CanvasRenderingContext2D; viewport: unknown }) => { promise: Promise<void> };
    }>;
  }> };
}

declare module 'pdfjs-dist/build/pdf.worker.min.js?url' {
  const src: string;
  export default src;
}