import { PdfObject } from '../core/objects/pdf-object.js';
import { ByteArray } from '../types.js';
import { PdfDocument } from './pdf-document.js';
/**
 * A reader for parsing PDF data into PdfDocument instances.
 * Processes streams of PDF objects and constructs documents from them.
 *
 * @example
 * ```typescript
 * // Read PDF from file bytes
 * const document = await PdfReader.fromBytes(fileBytes)
 * ```
 */
export declare class PdfReader {
    /** The stream of PDF objects to read from */
    protected objectStream: AsyncIterable<PdfObject> | Iterable<PdfObject>;
    /**
     * Creates a new PdfReader instance.
     *
     * @param objectStream - An async or sync iterable of PDF objects
     */
    constructor(objectStream: AsyncIterable<PdfObject> | Iterable<PdfObject>);
    /**
     * Reads all objects from the stream and constructs a PdfDocument.
     *
     * @returns A promise that resolves to the parsed PdfDocument
     */
    read(): Promise<PdfDocument>;
    /**
     * Creates a PdfDocument directly from a byte stream.
     * Convenience method that creates a reader internally.
     *
     * @param input - Async or sync iterable of byte arrays
     * @returns A promise that resolves to the parsed PdfDocument
     */
    static fromBytes(input: AsyncIterable<ByteArray> | Iterable<ByteArray>, options?: {
        password?: string;
        ownerPassword?: string;
        incremental?: boolean;
    }): Promise<PdfDocument>;
}