import { Lexer } from './lexer.js';
import { PdfValue, PdfRef } from '../pdf/objects.js';
/**
 * Resolves an indirect-reference `/Length` to its numeric value. When a stream's
 * `/Length` is an indirect reference it cannot be resolved while parsing the
 * object in isolation; the document layer passes a resolver. Without one the
 * parser falls back to scanning for `endstream`.
 */
export type LengthResolver = (ref: PdfRef) => number | undefined;
/** A parsed `N G obj … endobj` definition: its id, generation and contained value. */
export interface IndirectObject {
    readonly id: number;
    readonly generation: number;
    readonly value: PdfValue;
}
/** Parse one object value at the lexer's current position. */
export declare function parseObject(lexer: Lexer, resolveLength?: LengthResolver): PdfValue;
/**
 * Parse an `N G obj … endobj` definition (the lexer must sit at the leading
 * integer).
 *
 * @returns The {@link IndirectObject} (id, generation and contained value), or
 *          `undefined` when the `N G obj` header does not parse.
 */
export declare function parseIndirectObject(lexer: Lexer, resolveLength?: LengthResolver): IndirectObject | undefined;