import '../types';
import { NodeImpl } from '../node';
export declare abstract class DummyCharacterData extends NodeImpl implements CharacterData {
    abstract data: string;
    abstract length: number;
    appendData(_data: string): void;
    deleteData(_offset: number, _count: number): void;
    insertData(_offset: number, _data: string): void;
    replaceData(_offset: number, _count: number, _data: string): void;
    substringData(_offset: number, _count: number): string;
    readonly nextElementSibling: Element | null;
    readonly previousElementSibling: Element | null;
}