@Override
    public String toString() {
      StringBuilder buff = new StringBuilder();
      String cname = getClass().getName().substring(getClass().getPackage().getName().length() + 1);
      buff.append(cname);
      buff.append("(region path='");
      buff.append(regionPath);
      buff.append("'; sender=");
      buff.append(getSender());
      buff.append("; processorId=");
      buff.append(processorId);
      buff.append("; targetReinitalized=");
      buff.append(targetReinitialized);
      buff.append(")");
      return buff.toString();
    }
If true, recipient should wait until fully initialized before returning data.
geode-core/src/main/java/org/apache/geode/internal/cache/InitialImageOperation.java