[lombok] Experimental lombok plugin prototype

Add extension point for java descriptors
Add simple usage of this point to generate getter method
Add simple test infrastructure to test compilation with lombok plugin

compiler/frontend.java/src/org/jetbrains/kotlin/frontend/java/di/injection.kt

@@ -45,6 +45,7 @@ import org.jetbrains.kotlin.resolve.*
 import org.jetbrains.kotlin.resolve.calls.tower.ImplicitsExtensionsResolutionFilter
 import org.jetbrains.kotlin.resolve.jvm.JavaDescriptorResolver
 import org.jetbrains.kotlin.resolve.jvm.JvmDiagnosticComponents
+import org.jetbrains.kotlin.resolve.jvm.extensions.SyntheticJavaResolveExtension
 import org.jetbrains.kotlin.resolve.jvm.multiplatform.OptionalAnnotationPackageFragmentProvider
 import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatformAnalyzerServices
 import org.jetbrains.kotlin.resolve.lazy.declarations.DeclarationProviderFactory
@@ -116,6 +117,8 @@ fun StorageComponentContainer.configureJavaSpecificComponents(
     useInstance(JavaDeprecationSettings)
     useInstance(moduleClassResolver)
 
+    useInstance(SyntheticJavaResolveExtension.getProvider(moduleContext.project))
+
     if (configureJavaClassFinder != null) {
         configureJavaClassFinder()
     } else {

compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/extensions/SyntheticJavaResolveExtension.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2021 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.resolve.jvm.extensions
+
+import com.intellij.openapi.project.Project
+import org.jetbrains.kotlin.extensions.ProjectExtensionDescriptor
+import org.jetbrains.kotlin.resolve.jvm.CompositeSyntheticJavaPartsProvider
+import org.jetbrains.kotlin.resolve.jvm.SyntheticJavaPartsProvider
+
+interface SyntheticJavaResolveExtension {
+
+    companion object : ProjectExtensionDescriptor<SyntheticJavaResolveExtension>(
+        "org.jetbrains.kotlin.syntheticJavaResolveExtension", SyntheticJavaResolveExtension::class.java
+    ) {
+        fun getProvider(project: Project): SyntheticJavaPartsProvider {
+            val instances = getInstances(project)
+            val providers = instances.map { it.getProvider() }
+            return if (providers.isEmpty()) {
+                SyntheticJavaPartsProvider.EMPTY
+            } else {
+                CompositeSyntheticJavaPartsProvider(providers)
+            }
+        }
+    }
+
+    fun getProvider(): SyntheticJavaPartsProvider
+
+}
+