# sig/logger.rbs

class Logger
  def <<: () -> untyped
  def add: () -> untyped
  def close: () -> untyped
  def datetime_format: () -> untyped
  def datetime_format=: () -> untyped
  def debug: () -> untyped
  def debug!: () -> untyped
  def debug?: () -> untyped
  def error: () -> untyped
  def error!: () -> untyped
  def error?: () -> untyped
  def fatal: () -> untyped
  def fatal!: () -> untyped
  def fatal?: () -> untyped
  def format_message: () -> untyped
  def format_severity: () -> untyped
  def info: () -> untyped
  def info!: () -> untyped
  def info?: () -> untyped
  def initialize: () -> void
  def level=: () -> untyped
  def reopen: () -> untyped
  def unknown: () -> untyped
  def warn: () -> untyped
  def warn!: () -> untyped
  def warn?: () -> untyped
end


# sig/logger/formatter.rbs

class Logger::Formatter
  def call: () -> untyped
  def format_datetime: () -> untyped
  def initialize: () -> void
  def msg2str: () -> untyped
end


# sig/logger/log_device.rbs

class Logger::LogDevice
  def add_log_header: () -> untyped
  def check_shift_log: () -> untyped
  def close: () -> untyped
  def create_logfile: () -> untyped
  def initialize: () -> void
  def lock_shift_log: () -> untyped
  def lock_shift_log: () -> untyped
  def open_logfile: () -> untyped
  def reopen: () -> untyped
  def set_dev: () -> untyped
  def shift_log_age: () -> untyped
  def shift_log_period: () -> untyped
  def write: () -> untyped
end


# sig/logger/period.rbs

module Logger::Period
  def next_rotate_time: () -> untyped
  def previous_period_end: () -> untyped
end