如何从非构建gradle文件访问Kotlin DSL扩展?

    //build.gradle.kts tested with gradle 6.7
    
    subprojects {
      afterEvaluate {
        (extensions.findByType(com.android.build.gradle.LibraryExtension::class)
          ?: extensions.findByType(com.android.build.gradle.AppExtension::class))?.apply {
    
          println("Found android subproject $name")
          lintOptions.isAbortOnError = false
          compileSdkVersion(30)
          
          if (this is com.android.build.gradle.AppExtension) 
            println("$name is an application")
          
          if (this is com.android.build.gradle.LibraryExtension) {
    
            val publishing =
              extensions.findByType(PublishingExtension::class.java) ?: return@afterEvaluate
    
            val sourcesJar by tasks.registering(Jar::class) {
              archiveClassifier.set("sources")
              from(sourceSets.getByName("main").java.srcDirs)
            }
    
            afterEvaluate {
              publishing.apply {
                val projectName = name
                publications {
                  val release by registering(MavenPublication::class) {
                    components.forEach {
                      println("Publication component: ${it.name}")
                    }
                    from(components["release"])
                    artifact(sourcesJar.get())
                    artifactId = projectName
                    groupId = ProjectVersions.GROUP_ID
                    version = ProjectVersions.VERSION_NAME
                  }
                }
              }
            }
          }
        }
      }
    }