Introduce KotlinBasePlugin

This interface is a top-level interface for all Kotlin plugins.
Additionally it provides 'pluginVersion' property allowing to get
current applied plugin version

^KT-50869 Fixed
^KT-48008 Fixed

libraries/tools/kotlin-gradle-plugin-api/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinBasePlugin.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin
+
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+
+/**
+ * Base Kotlin plugin that is responsible for creating basic build services, configurations,
+ * and other setup that is common for all Kotlin projects.
+ */
+interface KotlinBasePlugin : Plugin<Project> {
+    /** Gets the current version of the Kotlin Gradle plugin. */
+    val pluginVersion: String
+}

libraries/tools/kotlin-gradle-plugin-api/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinJvmFactory.kt

@@ -23,9 +23,6 @@ interface KotlinJvmFactory {
     /** Instance of DSL object that should be used to configure Kotlin compilation pipeline. */
     val kotlinExtension: KotlinTopLevelExtensionConfig
 
-    /** Gets the current version of the Kotlin Gradle plugin. */
-    val pluginVersion: String
-
     /** Creates instance of DSL object that should be used to configure JVM/android specific compilation. */
     fun createKotlinJvmOptions(): KotlinJvmOptions