diff --git a/idea/idea-maven/src/org/jetbrains/kotlin/idea/maven/configuration/KotlinMavenConfigurator.kt.as31 b/idea/idea-maven/src/org/jetbrains/kotlin/idea/maven/configuration/KotlinMavenConfigurator.kt.as31
deleted file mode 100644
index 617b5bb2742..00000000000
--- a/idea/idea-maven/src/org/jetbrains/kotlin/idea/maven/configuration/KotlinMavenConfigurator.kt.as31
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * Copyright 2000-2018 JetBrains s.r.o. 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.idea.maven.configuration
-
-import com.intellij.codeInsight.CodeInsightUtilCore
-import com.intellij.codeInsight.daemon.impl.quickfix.OrderEntryFix
-import com.intellij.ide.actions.OpenFileAction
-import com.intellij.ide.highlighter.JavaFileType
-import com.intellij.openapi.command.WriteCommandAction
-import com.intellij.openapi.fileEditor.OpenFileDescriptor
-import com.intellij.openapi.module.Module
-import com.intellij.openapi.module.ModuleUtilCore
-import com.intellij.openapi.project.Project
-import com.intellij.openapi.roots.ExternalLibraryDescriptor
-import com.intellij.openapi.roots.JavaProjectModelModificationService
-import com.intellij.openapi.ui.Messages
-import com.intellij.openapi.vfs.WritingAccessProvider
-import com.intellij.psi.PsiElement
-import com.intellij.psi.PsiFile
-import com.intellij.psi.PsiManager
-import com.intellij.psi.search.FileTypeIndex
-import com.intellij.psi.search.GlobalSearchScope
-import com.intellij.psi.xml.XmlFile
-import org.jetbrains.idea.maven.dom.MavenDomUtil
-import org.jetbrains.idea.maven.dom.model.MavenDomPlugin
-import org.jetbrains.idea.maven.model.MavenId
-import org.jetbrains.idea.maven.project.MavenProjectsManager
-import org.jetbrains.idea.maven.utils.MavenArtifactScope
-import org.jetbrains.kotlin.config.ApiVersion
-import org.jetbrains.kotlin.config.CoroutineSupport
-import org.jetbrains.kotlin.config.LanguageFeature
-import org.jetbrains.kotlin.idea.configuration.*
-import org.jetbrains.kotlin.idea.facet.getRuntimeLibraryVersion
-import org.jetbrains.kotlin.idea.framework.ui.ConfigureDialogWithModulesAndVersion
-import org.jetbrains.kotlin.idea.maven.*
-import org.jetbrains.kotlin.idea.quickfix.ChangeCoroutineSupportFix
-import org.jetbrains.kotlin.idea.util.application.runReadAction
-import org.jetbrains.kotlin.idea.versions.LibraryJarDescriptor
-
-abstract class KotlinMavenConfigurator
-protected constructor(
-    private val testArtifactId: String?,
-    private val addJunit: Boolean,
-    override val name: String,
-    override val presentableText: String
-) : KotlinProjectConfigurator {
-
-    override fun getStatus(moduleSourceRootGroup: ModuleSourceRootGroup): ConfigureKotlinStatus {
-        val module = moduleSourceRootGroup.baseModule
-        if (module.getBuildSystemType() != Maven)
-            return ConfigureKotlinStatus.NON_APPLICABLE
-
-        val psi = runReadAction { findModulePomFile(module) }
-        if (psi == null
-            || !psi.isValid
-            || psi !is XmlFile
-            || psi.virtualFile == null) {
-            return ConfigureKotlinStatus.BROKEN
-        }
-
-        if (isKotlinModule(module)) {
-            return runReadAction { checkKotlinPlugin(module) }
-        }
-        return ConfigureKotlinStatus.CAN_BE_CONFIGURED
-    }
-
-    private fun checkKotlinPlugin(module: Module): ConfigureKotlinStatus {
-        val psi = findModulePomFile(module) as? XmlFile ?: return ConfigureKotlinStatus.BROKEN
-        val pom = PomFile.forFileOrNull(psi) ?: return ConfigureKotlinStatus.NON_APPLICABLE
-
-        if (hasKotlinPlugin(pom)) {
-            return ConfigureKotlinStatus.CONFIGURED
-        }
-
-        val mavenProjectsManager = MavenProjectsManager.getInstance(module.project)
-        val mavenProject = mavenProjectsManager.findProject(module) ?: return ConfigureKotlinStatus.BROKEN
-
-        val kotlinPluginId = kotlinPluginId(null)
-        val kotlinPlugin = mavenProject.plugins.find { it.mavenId.equals(kotlinPluginId.groupId, kotlinPluginId.artifactId) }
-                ?: return ConfigureKotlinStatus.CAN_BE_CONFIGURED
-
-        if (kotlinPlugin.executions.any { it.goals.any(this::isRelevantGoal) }) {
-            return ConfigureKotlinStatus.CONFIGURED
-        }
-
-        return ConfigureKotlinStatus.CAN_BE_CONFIGURED
-    }
-
-    private fun hasKotlinPlugin(pom: PomFile): Boolean {
-        val plugin = pom.findPlugin(kotlinPluginId(null)) ?: return false
-
-        return plugin.executions.executions.any {
-            it.goals.goals.any { isRelevantGoal(it.stringValue ?: "") }
-        }
-    }
-
-    override fun configure(project: Project, excludeModules: Collection<Module>) {
-        val dialog = ConfigureDialogWithModulesAndVersion(project, this, excludeModules, getMinimumSupportedVersion())
-
-        dialog.show()
-        if (!dialog.isOK) return
-
-        WriteCommandAction.runWriteCommandAction(project) {
-            val collector = createConfigureKotlinNotificationCollector(project)
-            for (module in excludeMavenChildrenModules(project, dialog.modulesToConfigure)) {
-                val file = findModulePomFile(module)
-                if (file != null && canConfigureFile(file)) {
-                    configureModule(module, file, dialog.kotlinVersion, collector)
-                    OpenFileAction.openFile(file.virtualFile, project)
-                } else {
-                    showErrorMessage(project, "Cannot find pom.xml for module " + module.name)
-                }
-            }
-            collector.showNotification()
-        }
-    }
-
-    protected open fun getMinimumSupportedVersion() = "1.0.0"
-
-    protected abstract fun isKotlinModule(module: Module): Boolean
-    protected abstract fun isRelevantGoal(goalName: String): Boolean
-
-    protected abstract fun createExecutions(pomFile: PomFile, kotlinPlugin: MavenDomPlugin, module: Module)
-    protected abstract fun getStdlibArtifactId(module: Module, version: String): String
-
-    open fun configureModule(module: Module, file: PsiFile, version: String, collector: NotificationMessageCollector): Boolean =
-        changePomFile(module, file, version, collector)
-
-    private fun changePomFile(
-        module: Module,
-        file: PsiFile,
-        version: String,
-        collector: NotificationMessageCollector
-    ): Boolean {
-        val virtualFile = file.virtualFile ?: error("Virtual file should exists for psi file " + file.name)
-        val domModel = MavenDomUtil.getMavenDomProjectModel(module.project, virtualFile)
-        if (domModel == null) {
-            showErrorMessage(module.project, null)
-            return false
-        }
-
-        val pom = PomFile.forFileOrNull(file as XmlFile) ?: return false
-        pom.addProperty(KOTLIN_VERSION_PROPERTY, version)
-
-        pom.addDependency(
-            MavenId(GROUP_ID, getStdlibArtifactId(module, version), "\${$KOTLIN_VERSION_PROPERTY}"),
-            MavenArtifactScope.COMPILE,
-            null,
-            false,
-            null
-        )
-        if (testArtifactId != null) {
-            pom.addDependency(MavenId(GROUP_ID, testArtifactId, "\${$KOTLIN_VERSION_PROPERTY}"), MavenArtifactScope.TEST, null, false, null)
-        }
-        if (addJunit) {
-            // TODO currently it is always disabled: junit version selection could be shown in the configurator dialog
-            pom.addDependency(MavenId("junit", "junit", "4.12"), MavenArtifactScope.TEST, null, false, null)
-        }
-
-        val repositoryDescription = getRepositoryForVersion(version)
-        if (repositoryDescription != null) {
-            pom.addLibraryRepository(repositoryDescription)
-            pom.addPluginRepository(repositoryDescription)
-        }
-
-        val plugin = pom.addPlugin(MavenId(GROUP_ID, MAVEN_PLUGIN_ID, "\${$KOTLIN_VERSION_PROPERTY}"))
-        createExecutions(pom, plugin, module)
-
-        configurePlugin(pom, plugin, module, version)
-
-        CodeInsightUtilCore.forcePsiPostprocessAndRestoreElement<PsiFile>(file)
-
-        collector.addMessage(virtualFile.path + " was modified")
-        return true
-    }
-
-    protected open fun configurePlugin(pom: PomFile, plugin: MavenDomPlugin, module: Module, version: String) {
-    }
-
-    protected fun createExecution(
-        pomFile: PomFile,
-        kotlinPlugin: MavenDomPlugin,
-        executionId: String,
-        goalName: String,
-        module: Module,
-        isTest: Boolean
-    ) {
-        pomFile.addKotlinExecution(module, kotlinPlugin, executionId, PomFile.getPhase(false, isTest), isTest, listOf(goalName))
-
-        if (hasJavaFiles(module)) {
-            pomFile.addJavacExecutions(module, kotlinPlugin)
-        }
-    }
-
-    override fun updateLanguageVersion(
-        module: Module,
-        languageVersion: String?,
-        apiVersion: String?,
-        requiredStdlibVersion: ApiVersion,
-        forTests: Boolean
-    ) {
-        fun doUpdateMavenLanguageVersion(): PsiElement? {
-            val psi = KotlinMavenConfigurator.findModulePomFile(module) as? XmlFile ?: return null
-            val pom = PomFile.forFileOrNull(psi) ?: return null
-            return pom.changeLanguageVersion(
-                languageVersion,
-                apiVersion
-            )
-        }
-
-        val runtimeUpdateRequired = getRuntimeLibraryVersion(module)?.let { ApiVersion.parse(it) }?.let { runtimeVersion ->
-            runtimeVersion < requiredStdlibVersion
-        } ?: false
-
-        if (runtimeUpdateRequired) {
-            Messages.showErrorDialog(
-                module.project,
-                "This language feature requires version $requiredStdlibVersion or later of the Kotlin runtime library. " +
-                        "Please update the version in your build script.",
-                "Update Language Version"
-            )
-            return
-        }
-
-        val element = doUpdateMavenLanguageVersion()
-        if (element == null) {
-            Messages.showErrorDialog(
-                module.project,
-                "Failed to update.pom.xml. Please update the file manually.",
-                "Update Language Version"
-            )
-        } else {
-            OpenFileDescriptor(module.project, element.containingFile.virtualFile, element.textRange.startOffset).navigate(true)
-        }
-    }
-
-    override fun addLibraryDependency(
-        module: Module,
-        element: PsiElement,
-        library: ExternalLibraryDescriptor,
-        libraryJarDescriptors: List<LibraryJarDescriptor>
-    ) {
-        val scope = OrderEntryFix.suggestScopeByLocation(module, element)
-        JavaProjectModelModificationService.getInstance(module.project).addDependency(module, library, scope)
-    }
-
-    override fun changeCoroutineConfiguration(module: Module, state: LanguageFeature.State) {
-        val runtimeUpdateRequired = state != LanguageFeature.State.DISABLED &&
-                (getRuntimeLibraryVersion(module)?.startsWith("1.0") ?: false)
-
-        val messageTitle = ChangeCoroutineSupportFix.getFixText(state)
-        if (runtimeUpdateRequired) {
-            Messages.showErrorDialog(
-                module.project,
-                "Coroutines support requires version 1.1 or later of the Kotlin runtime library. " +
-                        "Please update the version in your build script.",
-                messageTitle
-            )
-            return
-        }
-
-        val element = changeMavenCoroutineConfiguration(module, CoroutineSupport.getCompilerArgument(state), messageTitle)
-
-        if (element != null) {
-            OpenFileDescriptor(module.project, element.containingFile.virtualFile, element.textRange.startOffset).navigate(true)
-        }
-
-    }
-
-    private fun changeMavenCoroutineConfiguration(module: Module, value: String, messageTitle: String): PsiElement? {
-        fun doChangeMavenCoroutineConfiguration(): PsiElement? {
-            val psi = KotlinMavenConfigurator.findModulePomFile(module) as? XmlFile ?: return null
-            val pom = PomFile.forFileOrNull(psi) ?: return null
-            return pom.changeCoroutineConfiguration(value)
-        }
-
-        val element = doChangeMavenCoroutineConfiguration()
-        if (element == null) {
-            Messages.showErrorDialog(
-                module.project,
-                "Failed to update.pom.xml. Please update the file manually.",
-                messageTitle
-            )
-        }
-        return element
-    }
-
-    companion object {
-        const val GROUP_ID = "org.jetbrains.kotlin"
-        const val MAVEN_PLUGIN_ID = "kotlin-maven-plugin"
-        private const val KOTLIN_VERSION_PROPERTY = "kotlin.version"
-
-        private fun hasJavaFiles(module: Module): Boolean {
-            return !FileTypeIndex.getFiles(JavaFileType.INSTANCE, GlobalSearchScope.moduleScope(module)).isEmpty()
-        }
-
-        private fun findModulePomFile(module: Module): PsiFile? {
-            val files = MavenProjectsManager.getInstance(module.project).projectsFiles
-            for (file in files) {
-                val fileModule = ModuleUtilCore.findModuleForFile(file, module.project)
-                if (module != fileModule) continue
-                val psiFile = PsiManager.getInstance(module.project).findFile(file) ?: continue
-                if (!MavenDomUtil.isProjectFile(psiFile)) continue
-                return psiFile
-            }
-            return null
-        }
-
-        private fun canConfigureFile(file: PsiFile): Boolean {
-            return WritingAccessProvider.isPotentiallyWritable(file.virtualFile, null)
-        }
-
-        private fun showErrorMessage(project: Project, message: String?) {
-            Messages.showErrorDialog(
-                project,
-                "<html>Couldn't configure kotlin-maven plugin automatically.<br/>" +
-                        (if (message != null) "$message</br>" else "") +
-                        "See manual installation instructions <a href=\"http://confluence.jetbrains.com/display/Kotlin/Kotlin+Build+Tools#KotlinBuildTools-Maven\">here</a>.</html>",
-                "Configure Kotlin-Maven Plugin"
-            )
-        }
-    }
-}
diff --git a/idea/idea-maven/src/org/jetbrains/kotlin/idea/maven/configuration/KotlinMavenConfigurator.kt.as32 b/idea/idea-maven/src/org/jetbrains/kotlin/idea/maven/configuration/KotlinMavenConfigurator.kt.as32
deleted file mode 100644
index 617b5bb2742..00000000000
--- a/idea/idea-maven/src/org/jetbrains/kotlin/idea/maven/configuration/KotlinMavenConfigurator.kt.as32
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * Copyright 2000-2018 JetBrains s.r.o. 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.idea.maven.configuration
-
-import com.intellij.codeInsight.CodeInsightUtilCore
-import com.intellij.codeInsight.daemon.impl.quickfix.OrderEntryFix
-import com.intellij.ide.actions.OpenFileAction
-import com.intellij.ide.highlighter.JavaFileType
-import com.intellij.openapi.command.WriteCommandAction
-import com.intellij.openapi.fileEditor.OpenFileDescriptor
-import com.intellij.openapi.module.Module
-import com.intellij.openapi.module.ModuleUtilCore
-import com.intellij.openapi.project.Project
-import com.intellij.openapi.roots.ExternalLibraryDescriptor
-import com.intellij.openapi.roots.JavaProjectModelModificationService
-import com.intellij.openapi.ui.Messages
-import com.intellij.openapi.vfs.WritingAccessProvider
-import com.intellij.psi.PsiElement
-import com.intellij.psi.PsiFile
-import com.intellij.psi.PsiManager
-import com.intellij.psi.search.FileTypeIndex
-import com.intellij.psi.search.GlobalSearchScope
-import com.intellij.psi.xml.XmlFile
-import org.jetbrains.idea.maven.dom.MavenDomUtil
-import org.jetbrains.idea.maven.dom.model.MavenDomPlugin
-import org.jetbrains.idea.maven.model.MavenId
-import org.jetbrains.idea.maven.project.MavenProjectsManager
-import org.jetbrains.idea.maven.utils.MavenArtifactScope
-import org.jetbrains.kotlin.config.ApiVersion
-import org.jetbrains.kotlin.config.CoroutineSupport
-import org.jetbrains.kotlin.config.LanguageFeature
-import org.jetbrains.kotlin.idea.configuration.*
-import org.jetbrains.kotlin.idea.facet.getRuntimeLibraryVersion
-import org.jetbrains.kotlin.idea.framework.ui.ConfigureDialogWithModulesAndVersion
-import org.jetbrains.kotlin.idea.maven.*
-import org.jetbrains.kotlin.idea.quickfix.ChangeCoroutineSupportFix
-import org.jetbrains.kotlin.idea.util.application.runReadAction
-import org.jetbrains.kotlin.idea.versions.LibraryJarDescriptor
-
-abstract class KotlinMavenConfigurator
-protected constructor(
-    private val testArtifactId: String?,
-    private val addJunit: Boolean,
-    override val name: String,
-    override val presentableText: String
-) : KotlinProjectConfigurator {
-
-    override fun getStatus(moduleSourceRootGroup: ModuleSourceRootGroup): ConfigureKotlinStatus {
-        val module = moduleSourceRootGroup.baseModule
-        if (module.getBuildSystemType() != Maven)
-            return ConfigureKotlinStatus.NON_APPLICABLE
-
-        val psi = runReadAction { findModulePomFile(module) }
-        if (psi == null
-            || !psi.isValid
-            || psi !is XmlFile
-            || psi.virtualFile == null) {
-            return ConfigureKotlinStatus.BROKEN
-        }
-
-        if (isKotlinModule(module)) {
-            return runReadAction { checkKotlinPlugin(module) }
-        }
-        return ConfigureKotlinStatus.CAN_BE_CONFIGURED
-    }
-
-    private fun checkKotlinPlugin(module: Module): ConfigureKotlinStatus {
-        val psi = findModulePomFile(module) as? XmlFile ?: return ConfigureKotlinStatus.BROKEN
-        val pom = PomFile.forFileOrNull(psi) ?: return ConfigureKotlinStatus.NON_APPLICABLE
-
-        if (hasKotlinPlugin(pom)) {
-            return ConfigureKotlinStatus.CONFIGURED
-        }
-
-        val mavenProjectsManager = MavenProjectsManager.getInstance(module.project)
-        val mavenProject = mavenProjectsManager.findProject(module) ?: return ConfigureKotlinStatus.BROKEN
-
-        val kotlinPluginId = kotlinPluginId(null)
-        val kotlinPlugin = mavenProject.plugins.find { it.mavenId.equals(kotlinPluginId.groupId, kotlinPluginId.artifactId) }
-                ?: return ConfigureKotlinStatus.CAN_BE_CONFIGURED
-
-        if (kotlinPlugin.executions.any { it.goals.any(this::isRelevantGoal) }) {
-            return ConfigureKotlinStatus.CONFIGURED
-        }
-
-        return ConfigureKotlinStatus.CAN_BE_CONFIGURED
-    }
-
-    private fun hasKotlinPlugin(pom: PomFile): Boolean {
-        val plugin = pom.findPlugin(kotlinPluginId(null)) ?: return false
-
-        return plugin.executions.executions.any {
-            it.goals.goals.any { isRelevantGoal(it.stringValue ?: "") }
-        }
-    }
-
-    override fun configure(project: Project, excludeModules: Collection<Module>) {
-        val dialog = ConfigureDialogWithModulesAndVersion(project, this, excludeModules, getMinimumSupportedVersion())
-
-        dialog.show()
-        if (!dialog.isOK) return
-
-        WriteCommandAction.runWriteCommandAction(project) {
-            val collector = createConfigureKotlinNotificationCollector(project)
-            for (module in excludeMavenChildrenModules(project, dialog.modulesToConfigure)) {
-                val file = findModulePomFile(module)
-                if (file != null && canConfigureFile(file)) {
-                    configureModule(module, file, dialog.kotlinVersion, collector)
-                    OpenFileAction.openFile(file.virtualFile, project)
-                } else {
-                    showErrorMessage(project, "Cannot find pom.xml for module " + module.name)
-                }
-            }
-            collector.showNotification()
-        }
-    }
-
-    protected open fun getMinimumSupportedVersion() = "1.0.0"
-
-    protected abstract fun isKotlinModule(module: Module): Boolean
-    protected abstract fun isRelevantGoal(goalName: String): Boolean
-
-    protected abstract fun createExecutions(pomFile: PomFile, kotlinPlugin: MavenDomPlugin, module: Module)
-    protected abstract fun getStdlibArtifactId(module: Module, version: String): String
-
-    open fun configureModule(module: Module, file: PsiFile, version: String, collector: NotificationMessageCollector): Boolean =
-        changePomFile(module, file, version, collector)
-
-    private fun changePomFile(
-        module: Module,
-        file: PsiFile,
-        version: String,
-        collector: NotificationMessageCollector
-    ): Boolean {
-        val virtualFile = file.virtualFile ?: error("Virtual file should exists for psi file " + file.name)
-        val domModel = MavenDomUtil.getMavenDomProjectModel(module.project, virtualFile)
-        if (domModel == null) {
-            showErrorMessage(module.project, null)
-            return false
-        }
-
-        val pom = PomFile.forFileOrNull(file as XmlFile) ?: return false
-        pom.addProperty(KOTLIN_VERSION_PROPERTY, version)
-
-        pom.addDependency(
-            MavenId(GROUP_ID, getStdlibArtifactId(module, version), "\${$KOTLIN_VERSION_PROPERTY}"),
-            MavenArtifactScope.COMPILE,
-            null,
-            false,
-            null
-        )
-        if (testArtifactId != null) {
-            pom.addDependency(MavenId(GROUP_ID, testArtifactId, "\${$KOTLIN_VERSION_PROPERTY}"), MavenArtifactScope.TEST, null, false, null)
-        }
-        if (addJunit) {
-            // TODO currently it is always disabled: junit version selection could be shown in the configurator dialog
-            pom.addDependency(MavenId("junit", "junit", "4.12"), MavenArtifactScope.TEST, null, false, null)
-        }
-
-        val repositoryDescription = getRepositoryForVersion(version)
-        if (repositoryDescription != null) {
-            pom.addLibraryRepository(repositoryDescription)
-            pom.addPluginRepository(repositoryDescription)
-        }
-
-        val plugin = pom.addPlugin(MavenId(GROUP_ID, MAVEN_PLUGIN_ID, "\${$KOTLIN_VERSION_PROPERTY}"))
-        createExecutions(pom, plugin, module)
-
-        configurePlugin(pom, plugin, module, version)
-
-        CodeInsightUtilCore.forcePsiPostprocessAndRestoreElement<PsiFile>(file)
-
-        collector.addMessage(virtualFile.path + " was modified")
-        return true
-    }
-
-    protected open fun configurePlugin(pom: PomFile, plugin: MavenDomPlugin, module: Module, version: String) {
-    }
-
-    protected fun createExecution(
-        pomFile: PomFile,
-        kotlinPlugin: MavenDomPlugin,
-        executionId: String,
-        goalName: String,
-        module: Module,
-        isTest: Boolean
-    ) {
-        pomFile.addKotlinExecution(module, kotlinPlugin, executionId, PomFile.getPhase(false, isTest), isTest, listOf(goalName))
-
-        if (hasJavaFiles(module)) {
-            pomFile.addJavacExecutions(module, kotlinPlugin)
-        }
-    }
-
-    override fun updateLanguageVersion(
-        module: Module,
-        languageVersion: String?,
-        apiVersion: String?,
-        requiredStdlibVersion: ApiVersion,
-        forTests: Boolean
-    ) {
-        fun doUpdateMavenLanguageVersion(): PsiElement? {
-            val psi = KotlinMavenConfigurator.findModulePomFile(module) as? XmlFile ?: return null
-            val pom = PomFile.forFileOrNull(psi) ?: return null
-            return pom.changeLanguageVersion(
-                languageVersion,
-                apiVersion
-            )
-        }
-
-        val runtimeUpdateRequired = getRuntimeLibraryVersion(module)?.let { ApiVersion.parse(it) }?.let { runtimeVersion ->
-            runtimeVersion < requiredStdlibVersion
-        } ?: false
-
-        if (runtimeUpdateRequired) {
-            Messages.showErrorDialog(
-                module.project,
-                "This language feature requires version $requiredStdlibVersion or later of the Kotlin runtime library. " +
-                        "Please update the version in your build script.",
-                "Update Language Version"
-            )
-            return
-        }
-
-        val element = doUpdateMavenLanguageVersion()
-        if (element == null) {
-            Messages.showErrorDialog(
-                module.project,
-                "Failed to update.pom.xml. Please update the file manually.",
-                "Update Language Version"
-            )
-        } else {
-            OpenFileDescriptor(module.project, element.containingFile.virtualFile, element.textRange.startOffset).navigate(true)
-        }
-    }
-
-    override fun addLibraryDependency(
-        module: Module,
-        element: PsiElement,
-        library: ExternalLibraryDescriptor,
-        libraryJarDescriptors: List<LibraryJarDescriptor>
-    ) {
-        val scope = OrderEntryFix.suggestScopeByLocation(module, element)
-        JavaProjectModelModificationService.getInstance(module.project).addDependency(module, library, scope)
-    }
-
-    override fun changeCoroutineConfiguration(module: Module, state: LanguageFeature.State) {
-        val runtimeUpdateRequired = state != LanguageFeature.State.DISABLED &&
-                (getRuntimeLibraryVersion(module)?.startsWith("1.0") ?: false)
-
-        val messageTitle = ChangeCoroutineSupportFix.getFixText(state)
-        if (runtimeUpdateRequired) {
-            Messages.showErrorDialog(
-                module.project,
-                "Coroutines support requires version 1.1 or later of the Kotlin runtime library. " +
-                        "Please update the version in your build script.",
-                messageTitle
-            )
-            return
-        }
-
-        val element = changeMavenCoroutineConfiguration(module, CoroutineSupport.getCompilerArgument(state), messageTitle)
-
-        if (element != null) {
-            OpenFileDescriptor(module.project, element.containingFile.virtualFile, element.textRange.startOffset).navigate(true)
-        }
-
-    }
-
-    private fun changeMavenCoroutineConfiguration(module: Module, value: String, messageTitle: String): PsiElement? {
-        fun doChangeMavenCoroutineConfiguration(): PsiElement? {
-            val psi = KotlinMavenConfigurator.findModulePomFile(module) as? XmlFile ?: return null
-            val pom = PomFile.forFileOrNull(psi) ?: return null
-            return pom.changeCoroutineConfiguration(value)
-        }
-
-        val element = doChangeMavenCoroutineConfiguration()
-        if (element == null) {
-            Messages.showErrorDialog(
-                module.project,
-                "Failed to update.pom.xml. Please update the file manually.",
-                messageTitle
-            )
-        }
-        return element
-    }
-
-    companion object {
-        const val GROUP_ID = "org.jetbrains.kotlin"
-        const val MAVEN_PLUGIN_ID = "kotlin-maven-plugin"
-        private const val KOTLIN_VERSION_PROPERTY = "kotlin.version"
-
-        private fun hasJavaFiles(module: Module): Boolean {
-            return !FileTypeIndex.getFiles(JavaFileType.INSTANCE, GlobalSearchScope.moduleScope(module)).isEmpty()
-        }
-
-        private fun findModulePomFile(module: Module): PsiFile? {
-            val files = MavenProjectsManager.getInstance(module.project).projectsFiles
-            for (file in files) {
-                val fileModule = ModuleUtilCore.findModuleForFile(file, module.project)
-                if (module != fileModule) continue
-                val psiFile = PsiManager.getInstance(module.project).findFile(file) ?: continue
-                if (!MavenDomUtil.isProjectFile(psiFile)) continue
-                return psiFile
-            }
-            return null
-        }
-
-        private fun canConfigureFile(file: PsiFile): Boolean {
-            return WritingAccessProvider.isPotentiallyWritable(file.virtualFile, null)
-        }
-
-        private fun showErrorMessage(project: Project, message: String?) {
-            Messages.showErrorDialog(
-                project,
-                "<html>Couldn't configure kotlin-maven plugin automatically.<br/>" +
-                        (if (message != null) "$message</br>" else "") +
-                        "See manual installation instructions <a href=\"http://confluence.jetbrains.com/display/Kotlin/Kotlin+Build+Tools#KotlinBuildTools-Maven\">here</a>.</html>",
-                "Configure Kotlin-Maven Plugin"
-            )
-        }
-    }
-}