code: public static Link of(final URI href, final String text, final String type) {
  		return new Link(href, text, type);
  	}
docs: Create a new {@code Link} object with the given parameters.
  
  @param href the hyperlink (mandatory)
  @param text the text of the hyperlink (optional)
  @param type the mime type of the content, e.g. {@code image/jpeg}
  (optional)
  @return a new {@code Link} object with the given parameters
  @throws NullPointerException if the given {@code href} is {@code null}