module ElasticAPM::Normalizers

def self.build(config)
  normalizers = @registered.each_with_object({}) do |(name, klass), built|
    built[name] = klass.new(config)
  end
  Collection.new(normalizers)
end

def self.register(name, klass)
  @registered ||= {}
  @registered[name] = klass
end