import { PdfToken } from '../tokens/token.js';
import { PdfObject } from './pdf-object.js';
import { PdfIndirectObject } from './pdf-indirect-object.js';
export interface IPdfObjectResolver {
    resolve(objectNumber: number, generationNumber: number): PdfIndirectObject;
}
export declare class PdfObjectReference<T extends PdfIndirectObject = PdfIndirectObject> extends PdfObject {
    objectNumber: number;
    generationNumber: number;
    resolver?: IPdfObjectResolver;
    constructor(objectNumber: number, generationNumber: number);
    protected tokenize(): PdfToken[];
    cloneImpl(): this;
    toJSON(): {
        type: string;
        objectNumber: number;
        generationNumber: number;
    };
    resolve<U extends PdfIndirectObject = T>(cls?: new (options: PdfIndirectObject) => U): U;
    get key(): string;
}