code: public Document createRaw(@NonNull String id, @NonNull String content) {
        return createRaw(id, content, defaultLanguage, Collections.emptyMap());
     }
docs: Creates a document with the given id and content written in the default language. This method does not apply any
  {@link TextNormalizer}
  
  @param id      the id
  @param content the content
  @return the document