diff --git a/libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/IdeaKpmContentRoot.kt b/libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/IdeaKpmContentRoot.kt
index 809fe4093da..7cfced47f47 100644
--- a/libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/IdeaKpmContentRoot.kt
+++ b/libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/IdeaKpmContentRoot.kt
@@ -3,8 +3,12 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
+@file:Suppress("unused")
+
 package org.jetbrains.kotlin.gradle.kpm.idea
 
+import org.jetbrains.kotlin.gradle.kpm.idea.IdeaKpmContentRoot.Companion.RESOURCES_TYPE
+import org.jetbrains.kotlin.gradle.kpm.idea.IdeaKpmContentRoot.Companion.SOURCES_TYPE
 import org.jetbrains.kotlin.tooling.core.Extras
 import org.jetbrains.kotlin.tooling.core.emptyExtras
 import java.io.File
@@ -16,11 +20,15 @@ sealed interface IdeaKpmContentRoot : Serializable {
     val type: String
 
     companion object {
-        const val SOURCE_TYPE = "source"
-        const val RESOURCE_TYPE = "resource"
+        const val SOURCES_TYPE = "source"
+        const val RESOURCES_TYPE = "resource"
     }
 }
 
+val IdeaKpmContentRoot.isSources get() = type == SOURCES_TYPE
+
+val IdeaKpmContentRoot.isResources get() = type == RESOURCES_TYPE
+
 @InternalKotlinGradlePluginApi
 data class IdeaKpmContentRootImpl(
     override val file: File,
diff --git a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/ideaKpmFragmentBuilder.kt b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/ideaKpmFragmentBuilder.kt
index e3932a3e519..238d3103564 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/ideaKpmFragmentBuilder.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/ideaKpmFragmentBuilder.kt
@@ -19,7 +19,7 @@ private fun IdeaKpmProjectBuildingContext.buildIdeaKpmFragment(fragment: GradleK
         languageSettings = IdeaKpmLanguageSettings(fragment.languageSettings),
         dependencies = dependencyResolver.resolve(fragment).toList(),
         contentRoots = fragment.kotlinSourceRoots.sourceDirectories.files.map { file ->
-            IdeaKpmContentRootImpl(file, type = IdeaKpmContentRoot.SOURCE_TYPE)
+            IdeaKpmContentRootImpl(file, type = IdeaKpmContentRoot.SOURCES_TYPE)
         },
         extras = fragment.extras
     )