@Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    for (final Object ind : indexes.values()) {
      // Check if the value is instance of FutureTask, this means
      // the index is in create phase.
      if (ind instanceof FutureTask) {
        continue;
      }
      sb.append(ind).append(lineSeparator());
    }
    return sb.toString();
  }
Removes indexes for a destroyed bucket region from the list of bucket indexes in the
{@link PartitionedIndex}.

@param prRegion the partition region that this bucket belongs to
geode-core/src/main/java/org/apache/geode/cache/query/internal/index/IndexManager.java