code: @Override
    public <T> void insert(Object objectToSave) {
      if (null == objectToSave) {
        throw new InvalidJsonDbApiUsageException("Null Object cannot be inserted into DB");
      }
      Util.ensureNotRestricted(objectToSave);
      insert(objectToSave, Util.determineEntityCollectionName(objectToSave));
    }
docs: /* (non-Javadoc)
  @see io.jsondb.JsonDBOperations#insert(java.lang.Object)