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: run_command.rb
    path of file: ./repos/mongo-ruby-driver/profile/driver_bench/single_doc
    
    the code of the file until where you have to start completion: # frozen_string_literal: tr
    
        def cleanup_client
          # do nothing
        end

        def do_task
          10_000.times do
            client.database.command(hello: true)
          end
        end
      end