code: private String getObjectInfoFromSerializedObject() {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "getObjectInfoFromSerializedObject");
          String oscDesc;
          byte[] data = new byte[0];
          try {
              data = objMsg.getSerializedObject();
              oscDesc = SerializedObjectInfoHelper.getObjectInfo(data);
          } catch (ObjectFailedToSerializeException e) {
              oscDesc = String.format("unserializable class: %s", e.getExceptionInserts()[0]);
          }
          final String result = String.format("%s: %d%n%s: %s", HEADER_PAYLOAD_SIZE, data.length, HEADER_PAYLOAD_OBJ, oscDesc);
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "getObjectInfoFromSerializedObject", result);
          return result;
      }
docs: Gets a description of the class for the object payload from the serialized data.
  @return String decribing the object payload's class