You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: new_relic_service.rb
    path of file: ./repos/newrelic-ruby-agent/lib/new_relic/agent
    
    the code of the file until where you have to start completion: # This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/new
    
      def record_size_supportability_metrics(method, size_bytes, item_count)
        metrics = [
          'Supportability/Ruby/Collector/Output/Bytes',
          "Supportability/Ruby/Collector/#{method}/Output/Bytes"
        ]
        # we may not have an item count, in which case, just record 0 for the exclusive time
        item_count ||= 0
        NewRelic::Agent.agent.stats_engine.tl_record_unscoped_metrics(metrics, size_bytes, item_count)
      end