``` val ds: DataSource = TODO(); @After ...
# announcements
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val ds: DataSource = TODO();

    @After
    @Throws(Exception::class)
    fun deleteData() {
        val sql = "delete from peserta where email = '<mailto:uzumaki_naruto@gmail.com|uzumaki_naruto@gmail.com>'"
        ds.connection.use { c -> c.createStatement().executeUpdate(sql) }
    }
works for me with kotlinx-support-jdk7