# sig/mono_logger.rbs

class MonoLogger < Logger
  def initialize: () -> void
end


# sig/mono_logger.rbs

class MonoLogger::LocklessLogDevice < MonoLogger::LogDevice
  def add_log_header: () -> untyped
  def close: () -> untyped
  def create_logfile: () -> untyped
  def initialize: () -> void
  def open_logfile: () -> untyped
  def write: () -> untyped
end