import { ByteArray } from '../../types.js';
import { PdfToken } from '../tokens/token.js';
import { PdfObject } from './pdf-object.js';
export declare class PdfComment extends PdfObject {
    static EOF: PdfComment;
    /**
     * The comment value as raw bytes.
     */
    raw: ByteArray;
    constructor(raw: string | ByteArray);
    isEof(): boolean;
    asString(): string;
    isVersionComment(): boolean;
    isEOFComment(): boolean;
    static versionComment(version: string): PdfComment;
    toJSON(): {
        type: string;
        value: string;
    };
    protected tokenize(): PdfToken[];
    cloneImpl(): this;
}