Package org.optaplanner.core.api.domain.variable

## Interface CustomShadowVariable.NullVariableListener

- All Superinterfaces:
    `AutoCloseable`, `Closeable`, `VariableListener`
  Enclosing class:
    CustomShadowVariable

      public static interface CustomShadowVariable.NullVariableListener
      extends VariableListener

  Workaround for annotation limitation in `CustomShadowVariable.variableListenerClass()`.

- - ### Method Summary

    - ### Methods inherited from interface org.optaplanner.core.api.domain.variable.VariableListener

      `afterEntityAdded, afterEntityRemoved, afterVariableChanged, beforeEntityAdded, beforeEntityRemoved, beforeVariableChanged, close, requiresUniqueEntityEvents, resetWorkingSolution`