text: import logging
  from collections import deque
  from typing import Deque, List
  
  logger = logging.getLogger(__name__)
  
  
  class MessagesAggregator():
      """
      This class is passed around where needed and aggreggates messages for the user
      """
  
      def __init__(self):
          self.warnings: Deque = deque()
          self.errors: Deque = deque()
  
      def add_warning(self, msg: str) -> None:
          logger.warning(msg)
          self.warnings.appendleft(msg)
  
      def consume_warnings(self) -> List[str]:
          result = []
          while len(self.warnings) != 0:
              result.append(self.warnings.pop())
          return result
  
      def add_error(self, msg: str) -> None:
          logger.error(msg)
          self.errors.appendleft(msg)
  
      def consume_errors(self) -> List[str]:
          result = []
          while len(self.errors) != 0:
              result.append(self.errors.pop())
          return result
  