@Override
  public int getSizeEstimate(ExecutionContext context) throws FunctionDomainException,
      TypeMismatchException, NameResolutionException, QueryInvocationTargetException {
    return 1;
  }
@return List containing the iter evaluatable conditions.This Can be null in case there exists
        more than one filter operand in CompiledJunction in which case all the iter ops will
        become part of iter operand of CompiledJunction. This can be not null iff the complete
        expansion flag is true
geode-core/src/main/java/org/apache/geode/cache/query/internal/CompositeGroupJunction.java