What is demonstrated by the code below?

// RawDao.java

@Dao

interface RawDao {

@RawQuery

User getUserViaQuery(SupportSQLiteQuery query);

}

// Usage of RawDao

...

SimpleSQLiteQuery query =

new SimpleSQLiteQuery("SELECT * FROM UserWHERE id = ? LIMIT 1",

new Object[]{userId});

User user = rawDao.getUserViaQuery(query);

...