export interface PdfExtractOptions {
    maxPages?: number;
}
export interface PdfExtractResult {
    text: string;
    pageCount: number;
    parsedPages: number;
    truncated: boolean;
}
export declare class PdfExtractorMissingError extends Error {
    constructor();
}
export declare function isPdfExtractorAvailable(): Promise<boolean>;
export declare function _resetPdfjsCache(): void;
export declare function extractPdfText(bytes: Uint8Array, opts?: PdfExtractOptions): Promise<PdfExtractResult>;
interface PdfTextItem {
    str?: string;
    hasEOL?: boolean;
}
export declare function joinTextItems(items: PdfTextItem[]): string;
export declare function dedupeRunningHeadersFooters(pages: string[]): string[];
export declare function looksLikePdf(args: {
    url?: string;
    finalUrl?: string;
    contentType?: string;
}): boolean;
export {};
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