@Override
  public String toString() {
    final StringBuilder buffer = new StringBuilder(128);
    buffer.append(" algorithm=").append(getAlgorithm());
    if (!getAlgorithm().isNone()) {
      buffer.append("; action=").append(getAction());
      if (!getAlgorithm().isLRUHeap()) {
        buffer.append("; maximum=").append(getMaximum());
      }
      if (getObjectSizer() != null) {
        buffer.append("; sizer=").append(getObjectSizer());
      }
    }
    return buffer.toString();
  }
@return action that the {@link EvictionAlgorithm} takes when the maximum value is reached.
geode-core/src/main/java/org/apache/geode/cache/EvictionAttributes.java