public static Model readFrom(VirtualFile file) throws ServerException, ForbiddenException, IOException {
  requireNonNull(file,"Required not null virtual file");
  return fetchModel(XMLTree.from(file.getContent()));
}

public static Model readFrom ( VirtualFile file ) throws ServerException , ForbiddenException , IOException { requireNonNull ( file , "Required not null virtual file" ) ; return fetchModel ( XMLTree . from ( file . getContent ( ) ) ) ; }
reads model from given virtual file .
