commentBuilder = uow.newEntityBuilder( Comment.class );
Comment comment2 = commentBuilder.instance();
comment2.content().set( "Comment Two" );
comment2 = commentBuilder.newInstance();
EntityBuilder<Post> postBuilder = uow.newEntityBuilder( Post.class );
Post post = postBuilder.instance();
post.title().set( title );
post.author().set( author );
post.tagline().set( module.newValue( Tagline.class ) );
post.comments().add( comment1 );