diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/components/JavaSourceElementFactoryImpl.kt b/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/components/JavaSourceElementFactoryImpl.kt
index c3b69a0a994..3e95feb7ba7 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/components/JavaSourceElementFactoryImpl.kt
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/components/JavaSourceElementFactoryImpl.kt
@@ -24,6 +24,8 @@ import org.jetbrains.kotlin.load.java.sources.JavaSourceElementFactory
 import org.jetbrains.kotlin.load.java.sources.JavaSourceElement
 
 private class JavaSourceElementImpl(override val javaElement: JavaElement) : PsiSourceElement, JavaSourceElement {
+    override fun isKotlinSourceElement(): Boolean = false
+
     override val psi: PsiElement?
         get() = (javaElement as JavaElementImpl<*>).getPsi()
 }
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/source/KotlinSourceElement.kt b/compiler/frontend/src/org/jetbrains/kotlin/resolve/source/KotlinSourceElement.kt
index da37734c6cc..61384bcfca5 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/source/KotlinSourceElement.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/source/KotlinSourceElement.kt
@@ -20,7 +20,9 @@ import org.jetbrains.kotlin.psi.JetElement
 import org.jetbrains.kotlin.descriptors.SourceElement
 import com.intellij.psi.PsiElement
 
-public class KotlinSourceElement(override val psi: JetElement) : PsiSourceElement
+public class KotlinSourceElement(override val psi: JetElement) : PsiSourceElement {
+    override fun isKotlinSourceElement(): Boolean = true
+}
 
 public fun JetElement?.toSourceElement(): SourceElement = if (this == null) SourceElement.NO_SOURCE else KotlinSourceElement(this)
 
diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/KotlinJvmBinarySourceElement.kt b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/KotlinJvmBinarySourceElement.kt
index 249f2501b59..0fd463bb92f 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/KotlinJvmBinarySourceElement.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/KotlinJvmBinarySourceElement.kt
@@ -19,5 +19,6 @@ package org.jetbrains.kotlin.load.kotlin
 import org.jetbrains.kotlin.descriptors.SourceElement
 
 public class KotlinJvmBinarySourceElement(public val binaryClass: KotlinJvmBinaryClass) : SourceElement {
+    override fun isKotlinSourceElement(): Boolean = false
     override fun toString() = javaClass.name + ": " + binaryClass.toString()
 }
diff --git a/core/descriptors.runtime/src/org/jetbrains/kotlin/load/java/components/RuntimeSourceElementFactory.kt b/core/descriptors.runtime/src/org/jetbrains/kotlin/load/java/components/RuntimeSourceElementFactory.kt
index 4282a6e544e..05f35ec13fb 100644
--- a/core/descriptors.runtime/src/org/jetbrains/kotlin/load/java/components/RuntimeSourceElementFactory.kt
+++ b/core/descriptors.runtime/src/org/jetbrains/kotlin/load/java/components/RuntimeSourceElementFactory.kt
@@ -23,6 +23,8 @@ import org.jetbrains.kotlin.load.java.structure.reflect.ReflectJavaElement
 
 public object RuntimeSourceElementFactory : JavaSourceElementFactory {
     private class RuntimeSourceElement(override val javaElement: ReflectJavaElement) : JavaSourceElement {
+
+        override fun isKotlinSourceElement(): Boolean = false
         override fun toString() = javaClass.name + ": " + javaElement.toString()
     }
 
diff --git a/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/ReflectAnnotationSource.kt b/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/ReflectAnnotationSource.kt
index ad57626d904..984aa266b6d 100644
--- a/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/ReflectAnnotationSource.kt
+++ b/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/ReflectAnnotationSource.kt
@@ -18,4 +18,6 @@ package org.jetbrains.kotlin.load.kotlin.reflect
 
 import org.jetbrains.kotlin.descriptors.SourceElement
 
-public class ReflectAnnotationSource(public val annotation: Annotation) : SourceElement
+public class ReflectAnnotationSource(public val annotation: Annotation) : SourceElement {
+    override fun isKotlinSourceElement(): Boolean = false
+}
diff --git a/core/descriptors/src/org/jetbrains/kotlin/descriptors/SourceElement.java b/core/descriptors/src/org/jetbrains/kotlin/descriptors/SourceElement.java
index 6fe7ba61f1c..c3c6fc6f06f 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/descriptors/SourceElement.java
+++ b/core/descriptors/src/org/jetbrains/kotlin/descriptors/SourceElement.java
@@ -16,8 +16,18 @@
 
 package org.jetbrains.kotlin.descriptors;
 
+import kotlin.Deprecated;
+
 public interface SourceElement {
+    @Deprecated("This is a hack in order to preliminary support internal visibility in multi-module projects")
+    boolean isKotlinSourceElement();
+
     SourceElement NO_SOURCE = new SourceElement() {
+        @Override
+        public boolean isKotlinSourceElement() {
+            return false;
+        }
+
         @Override
         public String toString() {
             return "NO_SOURCE";