import { Document } from "@langchain/core/documents";
import { BaseDocumentLoader } from "@langchain/core/document_loaders/base";
/**
 * A document loader for loading data from PDFs.
 * @example
 * ```typescript
 * const loader = new WebPDFLoader(new Blob());
 * const docs = await loader.load();
 * console.log({ docs });
 * ```
 */
export declare class WebPDFLoader extends BaseDocumentLoader {
    protected blob: Blob;
    protected splitPages: boolean;
    private pdfjs;
    protected parsedItemSeparator: string;
    constructor(blob: Blob, { splitPages, pdfjs, parsedItemSeparator, }?: {
        splitPages?: boolean | undefined;
        pdfjs?: typeof PDFLoaderImports | undefined;
        parsedItemSeparator?: string | undefined;
    });
    /**
     * Loads the contents of the PDF as documents.
     * @returns An array of Documents representing the retrieved data.
     */
    load(): Promise<Document[]>;
}
declare function PDFLoaderImports(): Promise<{
    getDocument: typeof import("pdf-parse/lib/pdf.js/v1.10.100/build/pdf.js").getDocument;
    version: string;
}>;
export {};
