import { HTMLElement } from './element';
import { TextNode } from './textnode';

export class Document {
  readonly nodeType: number;
  body: HTMLElement;
  documentElement: HTMLElement;
  head: HTMLElement;
  implementation: {
    createHTMLDocument (textContent: string): Document;
    hasFeature (feature: string, version?: string): boolean;
  };

  createElement (tagName: string): HTMLElement;

  createElementNS (ns: string | null, tagName: string): HTMLElement;

  createDocumentFragment (): HTMLElement;

  createTextNode (text: string): TextNode;

  getElementsByTagName (tagName: string): HTMLElement[];

  getElementsByClassName (classNames: string): HTMLElement[];

  getElementById (id: string): HTMLElement | null;

  querySelector (selectors: string): HTMLElement | null;

  querySelectorAll (selectors: string): HTMLElement[];
}