toolchain {
    languageVersion.set(JavaLanguageVersion.of(21))
  }
}

// Introduce in a separate change
//configureJavaCompatibility(javaVersion = 8)

configureKotlinCompatibility(version = version("kotlinCoreLibrariesVersion"))

tasks.withType<JavaCompile> {
  options.encoding = Charsets.UTF_8.toString()
  if (name.contains("Java9")) {
    sourceCompatibility = "9"
    targetCompatibility = "9"
  } else {