    # File lib/fog/openstack/identity.rb, line 71
            def self.data
              @users           ||= {}
              @roles           ||= {}
              @tenants         ||= {}
              @ec2_credentials ||= Hash.new { |hash, key| hash[key] = {} }
              @user_tenant_membership ||= {}

              @data ||= Hash.new do |hash, key|
                hash[key] = {
                  :users           => @users,
                  :roles           => @roles,
                  :tenants         => @tenants,
                  :ec2_credentials => @ec2_credentials,
                  :user_tenant_membership => @user_tenant_membership
                }
              end
            end