class Xcodeproj::XCScheme

def save_as(project_path, name, shared = true)
  scheme_folder_path = if shared
                         self.class.shared_data_dir(project_path)
                       else
                         self.class.user_data_dir(project_path)
                       end
  scheme_folder_path.mkpath
  scheme_path = scheme_folder_path + "#{name}.xcscheme"
  @file_path = scheme_path
  File.open(scheme_path, 'w') do |f|
    f.write(to_s)
  end
end