package android.arch.persistence.room.testing { public class MigrationTestHelper extends org.junit.rules.TestWatcher { ctor public MigrationTestHelper(android.app.Instrumentation, java.lang.String); ctor public MigrationTestHelper(android.app.Instrumentation, java.lang.String, android.arch.persistence.db.SupportSQLiteOpenHelper.Factory); method public void closeWhenFinished(android.arch.persistence.db.SupportSQLiteDatabase); method public void closeWhenFinished(android.arch.persistence.room.RoomDatabase); method public android.arch.persistence.db.SupportSQLiteDatabase createDatabase(java.lang.String, int) throws java.io.IOException; method public android.arch.persistence.db.SupportSQLiteDatabase runMigrationsAndValidate(java.lang.String, int, boolean, android.arch.persistence.room.migration.Migration...) throws java.io.IOException; } }