Package-level declarations

// Create specific migration class, example upgrade version 1 to 2
class Migration12 : KQLiteMigration(fromVersion = 1, toVersion = 2) {

    override fun migrate(database: KQLiteDatabase) {
        val schema = database.schema()

        schema
            .alterTable(TblContact)
            .addColumn(TblContact.lastModified)
    }
}

// Below override inside KQLiteDatabase class
override fun getKQLiteMigrations(): List<KQLiteMigration>? {
    return listOf(
        Migration12()
    )
}