# File lib/deltacloud/drivers/vsphere/vsphere_client.rb, line 114
    def list_datastores(df)
      datastores = []
      df.childEntity.each do |object|
        if object.class.to_s == 'Folder'
          datastores += list_datastores(object)
        else
          datastores << object
        end
      end
      datastores
    end