core/src/main/java/com/orientechnologies/orient/core/index/OIndexChangesWrapper.java
@Override
  public Set<OIdentifiable> toValues() {
    if (source.isRebuilding())
      throwRebuildException();

    final Set<OIdentifiable> values = delegate.toValues();

    if (source.getRebuildVersion() != indexRebuildVersion)
      throwRebuildException();

    return values;
  }
@Override
  public Set<OIdentifiable> toValues() {
    if (source.isRebuilding())
      throwRebuildException();

    final Set<OIdentifiable> values = delegate.toValues();

    if (source.getRebuildVersion() != indexRebuildVersion)
      throwRebuildException();

    return values;
  }
{@inheritDoc}