package Ġcom . app ac ou stic . rt . data . persistent . db Ċ Ċ import Ġandroidx . room . Dao Ċ import Ġandroidx . room . Query Ċ Ċ @ Dao Ċ interface ĠPersistent Dao Ġ{ ĊĊĠĠĠ Ġ@ Query (" SELECT Ġtest Signal Enabled ĠFROM ĠPersistent ") ĊĠĠĠ Ġfun Ġis Test Signal Enabled (): ĠBoolean ĊĊĠĠĠ Ġ@ Query (" UPDATE ĠPersistent ĠSET Ġtest Signal Enabled Ġ= Ġ: test Signal Enabled ") ĊĠĠĠ Ġfun Ġset Test Signal Enabled ( test Signal Enabled : ĠBoolean ) Ċ } Ċ