class PostHog::MessageBatch

def <<(message)
  begin
    message_json = message.to_json
  rescue StandardError => e
    raise JSONGenerationError, "Serialization error: #{e}"
  end
  message_json_size = message_json.bytesize
  if message_too_big?(message_json_size)
    logger.error('a message exceeded the maximum allowed size')
  else
    @messages << message
    @json_size += message_json_size + 1 # One byte for the comma
  end
end