export interface ExtractedPaper {
    /** File name without extension */
    title: string;
    /** Full concatenated text of the paper */
    text: string;
    /** Number of pages */
    pages: number;
    /** Approximate word count */
    words: number;
    /** Detected section headings (academic headers) */
    sections: string[];
}
/**
 * Extract full text from a PDF file using pdf-parse v2.
 * Throws if the file cannot be read or parsed.
 */
export declare function extractPaper(pdfPath: string): Promise<ExtractedPaper>;