Use BCV plugin to dump and check public API of Kotlin Gradle plugin-related artifacts

libraries/tools/kotlin-gradle-plugin-annotations/api/kotlin-gradle-plugin-annotations.api

@@ -0,0 +1,9 @@
+public abstract interface annotation class org/jetbrains/kotlin/gradle/ExperimentalKotlinGradlePluginApi : java/lang/annotation/Annotation {
+}
+
+public abstract interface annotation class org/jetbrains/kotlin/gradle/ExternalKotlinTargetApi : java/lang/annotation/Annotation {
+}
+
+public abstract interface annotation class org/jetbrains/kotlin/gradle/InternalKotlinGradlePluginApi : java/lang/annotation/Annotation {
+}
+

libraries/tools/kotlin-gradle-plugin-annotations/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     kotlin("jvm")
     id("jps-compatible")
+    id("org.jetbrains.kotlinx.binary-compatibility-validator")
 }
 
 configureKotlinCompileTasksGradleCompatibility()
@@ -10,4 +11,14 @@ standardPublicJars()
 
 dependencies {
     compileOnly(kotlinStdlib())
+}
+
+apiValidation {
+    nonPublicMarkers += "org.jetbrains.kotlin.gradle.InternalKotlinGradlePluginApi"
+}
+
+tasks {
+    apiBuild {
+        inputJar.value(jar.flatMap { it.archiveFile })
+    }
 }