@Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (!(o instanceof MultiAttrDefinitionImpl)) {
      return false;
    }
    MultiAttrDefinitionImpl that = (MultiAttrDefinitionImpl) o;
    return _id == that._id;
  }
Implementation of {@link StatAlertDefinition} This provides the definition for single statistic
geode-core/src/main/java/org/apache/geode/internal/admin/statalerts/SingleAttrDefinitionImpl.java