old_contents: import re
  
  
  class TimeWarriorConfig(object):
      def __init__(self, config=None):
          self.__config = config if config is not None else {}
  
      def update(self, other):
          if isinstance(other, TimeWarriorConfig):
              config = other.get_dict()
          elif isinstance(other, dict):
              config = other
          else:
              raise TypeError()
  
          self.__config.update(config)
  
      def get_dict(self):
          return self.__config
  
      def get_value(self, key, default):
          if key in self.__config:
              return self.__config[key]
          else:
              return default
  
      def get_boolean(self, key, default):
          value = self.get_value(key, default)
  
          return True if re.search('^(on|1|yes|y|true)$', '{}'.format(value)) else False
  
new_contents: import re
  
  
  class TimeWarriorConfig(object):
      def __init__(self, config=None):
          self.__config = config if config is not None else {}
  
      def update(self, other):
          if isinstance(other, TimeWarriorConfig):
              config = other.get_dict()
          elif isinstance(other, dict):
              config = other
          else:
              raise TypeError()
  
          self.__config.update(config)
  
      def get_dict(self):
          return self.__config
  
      def get_value(self, key, default):
          if key in self.__config:
              return self.__config[key]
          else:
              return default
  
      def get_boolean(self, key, default):
          value = self.get_value(key, default)
  
          return True if re.search('^(on|1|yes|y|true)$', '{}'.format(value)) else False
  
      def get_debug(self):
          return self.get_boolean('debug', False)
  
      def get_verbose(self):
          return self.get_boolean('verbose', False)
  
      def get_confirmation(self):
          return self.get_boolean('confirmation', False)
  
subject: Add specialized getters for flags 'debug', 'verbose', and 'confirmation'