public void setPopulateFlagForIndexes(Collection<Index> indexSet) {
    for (Object ind : indexSet) {
      AbstractIndex index = (AbstractIndex) ind;
      if (!index.isPopulated()) {
        index.setPopulated(true);
      }
    }
  }
Sets the {@link AbstractIndex#isPopulated} after populating all the indexes in this region
geode-core/src/main/java/org/apache/geode/cache/query/internal/index/IndexManager.java