defineArticle({  // will resolve to ISO 8601 format  datePublished: new Date(2020, 10, 1)})

defineArticle({  // will be resolved as ['Article', 'TechArticle']  '@type': 'TechArticle',})

defineArticle({  headline: 'Article Title',  image: '/articles/article-title-image.jpg',  // using identity as the author})

defineArticle()

defineArticle({  headline: 'Article Title',  description: 'Article description',  image: '/articles/article-title-image.jpg',  datePublished: new Date(2020, 19, 1),  dateModified: new Date(2020, 19, 1),  // attaching an author when the identity is an organization  author: {    name: 'Harlan Wilton',    url: 'https://harlanzw.com',  }})

type ValidArticleSubTypes = 'Article' | 'AdvertiserContentArticle' | 'NewsArticle' | 'Report' | 'SatiricalArticle' | 'ScholarlyArticle' | 'SocialMediaPosting' | 'TechArticle'export interface ArticleSimple extends Thing {  ['@type']?: Arrayable<ValidArticleSubTypes>  /**   * The headline of the article (falling back to the title of the WebPage).   * Headlines should not exceed 110 characters.   */  headline?: string  /**   * A summary of the article (falling back to the page's meta description content).   */  description?: string  /**   * A reference-by-ID to the WebPage node.   */  isPartOf?: IdReference  /**   * The time at which the article was originally published, in ISO 8601 format; e.g., 2015-10-31T16:10:29+00:00.   */  datePublished?: ResolvableDate  /**   * The time at which the article was last modified, in ISO 8601 format; e.g., 2015-10-31T16:10:29+00:00.   */  dateModified?: ResolvableDate  /**   * A reference-by-ID to the author of the article.   */  author?: NodeRelations<Identity>  /**   * A reference-by-ID to the publisher of the article.   */  publisher?: NodeRelations<Identity>  /**   * An array of all videos in the article content, referenced by ID.   */  video?: NodeRelations<VideoObject>  /**   * An image object or referenced by ID.   * - Must be at least 696 pixels wide.   * - Must be of the following formats+file extensions: .jpg, .png, .gif ,or .webp.   *   * Must have markup of it somewhere on the page.   */  image?: NodeRelations<ImageObject | string>  /**   * An array of references by ID to comment pieces.   */  comment?: NodeRelations<Comment>  /**   * A thumbnail image relevant to the Article.   */  thumbnailUrl?: string  /**   * An integer value of the number of comments associated with the article.   */  commentCount?: number  /**   * An integer value of the number of words in the article.   */  wordCount?: number  /**   * An array of keywords which the article has (e.g., ["cats","dogs","cake"]).   */  keywords?: string[]  /**   * An array of category names which the article belongs to (e.g., ["cats","dogs","cake"]).   */  articleSection?: string[]  /**   * The language code for the article; e.g., en-GB.   */  inLanguage?: string  /**   * A SpeakableSpecification object which identifies any content elements suitable for spoken results.   */  speakable?: unknown  /**   * The year from which the article holds copyright status.   */  copyrightYear?: string  /**   * A reference-by-ID to the Organization or Person who holds the copyright.   */  copyrightHolder?: NodeRelations<Identity>}