Refactoring

app/build.gradle

@@ -512,6 +512,7 @@ configurations.configureEach {
 dependencies {
     //implementation fileTree(dir: 'libs', include: ['*.jar'])
 
+    def desugar_version = "2.0.4"
     def startup_version = "1.1.1" // 1.2.0-alpha02
     def annotation_version_experimental = "1.3.1" // 1.4.0-beta01
     def core_version = "1.12.0" // 1.13.0-alpha02
@@ -573,7 +574,7 @@ dependencies {
     def tinylog_version = "2.6.2"
 
     // https://mvnrepository.com/artifact/com.android.tools/desugar_jdk_libs?repo=google
-    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
+    coreLibraryDesugaring "com.android.tools:desugar_jdk_libs:$desugar_version"
 
     // https://developer.android.com/jetpack/androidx/releases/startup
     implementation "androidx.startup:startup-runtime:$startup_version"