@Override
  public void toData(DataOutput out) throws IOException {
    out.writeBoolean(host != null);
    if (host != null) {
      DataSerializer.writeString(host, out);
    }
    out.writeBoolean(member != null);
    if (member != null) {
      DataSerializer.writeString(member, out);
    }
    out.writeBoolean(parent != null);
    if (parent != null) {
      DataSerializer.writeString(parent, out);
    }
    out.writeBoolean(child != null);
    if (child != null) {
      DataSerializer.writeString(child, out);
    }
  }
Returns the name of the child region of a colocated pair
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/ColocatedRegionDetails.java