# Package org.optaplanner.core.impl.score.stream.quad

- Interface Summary
  Interface | Description
  --- | ---
  InnerQuadConstraintStream<A,B,C,D> |

- Class Summary
  Class | Description
  --- | ---
  AbstractQuadJoiner<A,B,C,D> |
  CompositeQuadJoiner<A,B,C,D> |
  DefaultQuadConstraintCollector<A,B,C,D,ResultContainer_,Result_> |
  FilteringQuadJoiner<A,B,C,D> |
  NoneQuadJoiner<A,B,C,D> |
  SingleQuadJoiner<A,B,C,D> |

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