    # File lib/yard/registry_store.rb, line 31
        def get(key)
          key = :root if key == ''
          key = key.to_sym
          return @store[key] if @store[key]
          return if @loaded_objects >= @available_objects

          # check disk
          return if @notfound[key]
          if obj = @serializer.deserialize(key)
            @loaded_objects += 1
            put(key, obj)
          else
            @notfound[key] = true
            nil
          end
        end