buildscript { ext { androidPluginVersion = '7.2.2' kotlinVersion = '1.7.0' composeVersion = '1.2.0' roomVersion = '2.4.3' ktorVersion = '2.0.3' } } plugins { id 'com.android.application' version "$androidPluginVersion" apply false id 'com.android.library' version "$androidPluginVersion" apply false id 'org.jetbrains.kotlin.android' version "$kotlinVersion" apply false id 'org.jetbrains.kotlin.plugin.serialization' version "$kotlinVersion" apply false id 'org.jetbrains.kotlin.kapt' version "$kotlinVersion" apply false } task clean(type: Delete) { delete rootProject.buildDir }