export function parse(data: string, options?: ParseOptions): HTMLElement;

export enum NodeType {
    ELEMENT_NODE = 1,
    TEXT_NODE = 3,
}

export interface Attributes {
    [key: string]: string;
}

export interface HTMLElement {
    readonly attributes: Attributes;
    readonly childNodes: HTMLElement[];
    readonly classNames: string[];
    readonly firstChild: HTMLElement;
    readonly id: string;
    readonly isWhitespace: boolean;
    readonly lastChild: HTMLElement;
    readonly nodeType: NodeType;
    readonly rawAttrs: string;
    readonly rawAttributes: Attributes;
    readonly rawText: string;
    readonly structure: string;
    readonly structuredText: string;
    readonly text: string;
    readonly tagName: string;
    appendChild(node: HTMLElement): HTMLElement;
    querySelector(selector: string): HTMLElement | null;
    querySelectorAll(selector: string): HTMLElement[];
    removeWhitespace(): HTMLElement;
    trimRight(pattern?: RegExp): HTMLElement;
}

export interface ParseOptions {
    lowerCaseTagName?: boolean | undefined;
    pre?: boolean | undefined;
    script?: boolean | undefined;
    style?: boolean | undefined;
}