code: def increment(self, size: int):
          '''Increment the number of files downloaded.
  
          Args:
              size: The size of the file
          '''
          assert size >= 0, size
  
          self.files += 1
          self.size += size
          self.bandwidth_meter.feed(sizef increment(self, size: int):
          '''Increment the number of files downloaded.
  
          Args:
              size: The size of the file
          '''
          assert size >= 0, size
  
          self.files += 1
          self.size += size
          self.bandwidth_meter.feed(size)
docs: Increment the number of files downloaded.
  
          Args:
              size: The size of the file