class ElasticAPM::Spies::DelayedJobSpy

def install
  ::Delayed::Backend::Base.class_eval do
    alias invoke_job_without_apm invoke_job
    def invoke_job(*args, &block)
      ::ElasticAPM::Spies::DelayedJobSpy
        .invoke_job(self, *args, &block)
    end
  end
end