@Attribute(SerializationConstants.EXTERNAL_SYSTEM_ID_IN_INTERNAL_STORAGE_ATTRIBUTE)
  public String getExternalSystemIdInInternalStorage() {
    return myExternalSystemIdInInternalStorage;
  }
@Attribute(SerializationConstants.EXTERNAL_SYSTEM_ID_IN_INTERNAL_STORAGE_ATTRIBUTE)
  public String getExternalSystemIdInInternalStorage()