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

- Interface Summary
  Interface | Description
  --- | ---
  InnerBiConstraintStream<A,​B> |

- Class Summary
  Class | Description
  --- | ---
  AbstractBiJoiner<A,​B> |
  BiConstraintStreamHelper<A,​B,​C> |
  CompositeBiJoiner<A,​B> |
  DefaultBiConstraintCollector<A,​B,​ResultContainer_,​Result_> |
  FilteringBiJoiner<A,​B> |
  NoneBiJoiner<A,​B> |
  SingleBiJoiner<A,​B> |