class ElasticAPM::Transport::Connection

def initialize(config)

def initialize(config)
  @config = config
  @metadata = JSON.fast_generate(
    Serializers::MetadataSerializer.new(config).build(
      Metadata.new(config)
    )
  )
  @url = "#{config.server_url}/intake/v2/events"
  @mutex = Mutex.new
end