declare namespace render {
  type Options = {
    /**
     * Custom single tags (selfClosing).
     *
     * @default []
     */
    singleTags: string[] | RegExp[];

    /**
     * Closing format for single tag.
     *
     * Formats:
     *
     * tag: `<br></br>`, slash: `<br />`, default: `<br>`
     *
     */
    closingSingleTag: "tag" | "slash";

    /**
     * If all attributes should be quoted.
     * Otherwise attributes will be unquoted when allowed.
     *
     * @default true
     */
    quoteAllAttributes: boolean;
  };

  // PostHTML Tree
  type Tree = Node[];
  type Node = NodeText | NodeTag;
  type NodeText = string;
  type NodeTag = {
    tag: string;
    attrs?: Attributes;
    content?: Node[];
  };

  type Attributes = Record<string, string>;
}

/**
 * Render PostHTML Tree to HTML
 * @param tree PostHTML Tree
 * @param options Render options
 * @returns HTML
 */
declare function render(
  tree: render.Tree,
  options?: Partial<render.Options>
): string;

export = render;