import { ByteArray } from '../types.js';
import { PdfObject } from './objects/pdf-object.js';
/**
 * Converts an iterable of byte arrays into PDF objects.
 * Processes bytes through tokenization and decoding.
 *
 * @param bytes - Iterable of byte arrays to process
 * @returns A generator yielding parsed PDF objects
 */
export declare function bytesToPdfObjects(bytes: Iterable<ByteArray>): Generator<PdfObject>;
/**
 * Converts a string containing PDF content into PDF objects.
 *
 * @param str - The string to parse as PDF content
 * @returns A generator yielding parsed PDF objects
 */
export declare function stringToPdfObjects(str: string): Generator<PdfObject>;
/**
 * Decodes an iterable of byte arrays into PDF objects.
 * Allows configuring whitespace handling.
 *
 * @param input - Iterable of byte arrays to decode
 * @param options - Configuration options
 * @param options.ignoreWhitespace - If true, whitespace tokens are ignored
 * @returns A generator yielding parsed PDF objects
 */
export declare function pdfDecoder(input: Iterable<ByteArray>, options?: {
    ignoreWhitespace?: boolean;
}): Generator<PdfObject, void, any>;
/**
 * Asynchronously decodes byte arrays into PDF objects.
 * Supports both async and sync iterables for streaming PDF parsing.
 *
 * @param input - Async or sync iterable of byte arrays
 * @returns An async generator yielding parsed PDF objects
 */
export declare function pdfDecoderAsync(input: AsyncIterable<ByteArray> | Iterable<ByteArray>): AsyncGenerator<PdfObject>;