# File lib/fog/compute/openstack/requests/list_usages.rb, line 21
        def list_usages(_date_start = nil, _date_end = nil, _detailed = false)
          response        = Excon::Response.new
          response.status = 200
          response.body   = {"tenant_usages" => [{
            "total_memory_mb_usage" => 0.00036124444444444445,
            "total_vcpus_usage"     => 7.055555555555556e-07,
            "start"                 => "2012-03-06 05:05:56.349001",
            "tenant_id"             => "b97c8abba0c44a0987c63b858a4823e5",
            "stop"                  => "2012-03-06 05:05:56.349255",
            "total_hours"           => 7.055555555555556e-07,
            "total_local_gb_usage"  => 0.0
          }]}
          response
        end