@Override
  public int getMaximum() {
    if (algorithm.isLRUHeap()) {
      return 0;
    }
    return maximum;
  }
@param maximum parameter for the given {@link EvictionAlgorithm}
@return the instance of {@link EvictionAttributesImpl} on which this method was called
geode-core/src/main/java/org/apache/geode/internal/cache/EvictionAttributesImpl.java