<BUG>.set(Book.IMAGE_URL, book.getImageUrl()).build();</BUG><CONTEXT>Entity entity = Entity.newBuilder(key)         // Convert Book to an Entity.set(Book.AUTHOR, book.getAuthor()).set(Book.DESCRIPTION, book.getDescription()).set(Book.PUBLISHED_DATE, book.getPublishedDate()).set(Book.TITLE, book.getTitle())<extra_id_0>datastore.update(entity);                   // Update the Entity}@Override</CONTEXT>
.set(Book.CREATED_BY, book.getCreatedBy()).set(Book.CREATED_BY_ID, book.getCreatedById()).build();