get ref() {
        const ThisModel = this.getClass();

        // eslint-disable-next-line no-underscore-dangle
        return ThisModel._findDatabaseRows({
            [ThisModel.idAttribute]: this.getId(),
        })[0];
    }
Returns a reference to the plain JS object in the store.
It contains all the properties that you pass when creating the model,
except for primary keys of many-to-many relationships with a custom accessor.

Make sure never to mutate this.

@return {Object} a reference to the plain JS object in the store