import { AfppParseOptions, PageProcessor } from './core.js';
/**
 * Converts a PDF file from various input formats (Buffer, Uint8Array, string path, or URL). Pages are returned in mixed array of strings (text content) and buffers (image content) via callback function.
 *
 * @async
 * @function parsePdf
 *
 * @param {Buffer|Uint8Array|string|URL} input - The PDF source, which can be a file path, URL, Buffer, or Uint8Array.
 * @param {AfppParseOptions} [options] - Parsing options for customizing the PDF parsing process.
 * @param {PageProcessor<T>} callback - Callback function to process each page's content.
 *
 * @since v1.0.0
 *
 * @returns {Promise<T[]>} - A promise that resolves to an array of processed page results.
 *
 * @throws {Error} Throws an error if the input type is invalid.
 */
export declare function parsePdf<T>(input: Buffer | string | Uint8Array | URL, options: AfppParseOptions, callback: PageProcessor<T>): Promise<T[]>;
export declare function parsePdf<T>(input: Buffer | string | Uint8Array | URL, callback: PageProcessor<T>): Promise<T[]>;