code: public String replace(String content, String selector, String replacement) {
  		return replaceAll(content, Collections.singletonMap(selector, replacement));
  	}
docs: Replaces elements in HTML.
  
  @param content
  HTML content to modify
  @param selector
  CSS selector for elements to replace
  @param replacement
  HTML replacement (must parse to a single element)
  @return HTML content with replaced elements. If no elements are found, the original content is
  returned.
  @since 1.0