class Sorbet::Private::Serialize

def self.header(typed="true", subcommand="update")
  buffer = []
  buffer << "# This file is autogenerated. Do not edit it by hand. Regenerate it with:"
  buffer << "#   srb rbi #{subcommand}"
  if typed
    buffer << ""
    buffer << "# typed: #{typed}"
  end
  buffer << ""
  buffer.join("\n")
end