# Package org.apache.tinkerpop.gremlin.structure.util.empty

- Class Summary
  Class | Description
  --- | ---
  EmptyGraph |
  EmptyGraph.EmptyGraphFactory | `EmptyGraph` doesn't have a standard `open()` method because it is a singleton.
  EmptyGraph.EmptyGraphFeatures | Features defined such that they support immutability but allow all other possibilities.
  EmptyProperty<V> |
  EmptyVertexProperty<V> |

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