class ElasticAPM::Metrics::Collector

def initialize(config, tags: nil, &block)

def initialize(config, tags: nil, &block)
  @config = config
  @tags = tags
  @samplers = [CpuMem, VM].map do |kls|
    debug "Adding metrics collector '#{kls}'"
    kls.new(config)
  end
  @callback = block
end