diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/SamType.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/SamType.java
index d86c360b339..40fcf602324 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/SamType.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/SamType.java
@@ -24,7 +24,7 @@ import org.jetbrains.kotlin.descriptors.ClassDescriptor;
 import org.jetbrains.kotlin.descriptors.ClassifierDescriptor;
 import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor;
 import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor;
-import org.jetbrains.kotlin.load.java.sam.SingleAbstractMethodUtils;
+import org.jetbrains.kotlin.load.java.sam.JavaSingleAbstractMethodUtils;
 import org.jetbrains.kotlin.resolve.sam.SamConversionResolverImplKt;
 import org.jetbrains.kotlin.types.KotlinType;
 import org.jetbrains.kotlin.types.typeUtil.TypeUtilsKt;
@@ -47,7 +47,7 @@ public class SamType {
         return create(TypeMapperUtilsKt.removeExternalProjections(originalTypeToUse));
     }
     public static SamType create(@NotNull KotlinType originalType) {
-        if (!SingleAbstractMethodUtils.isSamType(originalType)) return null;
+        if (!JavaSingleAbstractMethodUtils.isSamType(originalType)) return null;
         return new SamType(originalType);
     }
 
diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/SingleAbstractMethodUtils.java b/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/JavaSingleAbstractMethodUtils.java
similarity index 99%
rename from compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/SingleAbstractMethodUtils.java
rename to compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/JavaSingleAbstractMethodUtils.java
index 651582498da..a9dbcc4cadb 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/SingleAbstractMethodUtils.java
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/JavaSingleAbstractMethodUtils.java
@@ -41,8 +41,8 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-public class SingleAbstractMethodUtils {
-    private SingleAbstractMethodUtils() {
+public class JavaSingleAbstractMethodUtils {
+    private JavaSingleAbstractMethodUtils() {
     }
 
     @NotNull
diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/synthetic/SamAdapterFunctionsScope.kt b/compiler/frontend.java/src/org/jetbrains/kotlin/synthetic/SamAdapterFunctionsScope.kt
index aaee5295759..b6f3c74455f 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/synthetic/SamAdapterFunctionsScope.kt
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/synthetic/SamAdapterFunctionsScope.kt
@@ -32,7 +32,7 @@ import org.jetbrains.kotlin.load.java.descriptors.JavaClassDescriptor
 import org.jetbrains.kotlin.load.java.descriptors.JavaMethodDescriptor
 import org.jetbrains.kotlin.load.java.sam.SamAdapterDescriptor
 import org.jetbrains.kotlin.load.java.sam.SamConstructorDescriptor
-import org.jetbrains.kotlin.load.java.sam.SingleAbstractMethodUtils
+import org.jetbrains.kotlin.load.java.sam.JavaSingleAbstractMethodUtils
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.calls.components.isVararg
 import org.jetbrains.kotlin.resolve.calls.inference.wrapWithCapturingSubstitution
@@ -70,17 +70,20 @@ class SamAdapterFunctionsScope(
 
     private val samAdapterForStaticFunction =
             storageManager.createMemoizedFunction<JavaMethodDescriptor, SamAdapterDescriptor<JavaMethodDescriptor>> { function ->
-                SingleAbstractMethodUtils.createSamAdapterFunction(function, samResolver, samConversionOracle)
+                JavaSingleAbstractMethodUtils
+                    .createSamAdapterFunction(function, samResolver, samConversionOracle)
             }
 
     private val samConstructorForClassifier =
             storageManager.createMemoizedFunction<ClassDescriptor, SamConstructorDescriptor> { classifier ->
-                SingleAbstractMethodUtils.createSamConstructorFunction(classifier.containingDeclaration, classifier, samResolver, samConversionOracle)
+                JavaSingleAbstractMethodUtils
+                    .createSamConstructorFunction(classifier.containingDeclaration, classifier, samResolver, samConversionOracle)
             }
 
     private val samConstructorForJavaConstructor =
             storageManager.createMemoizedFunction<JavaClassConstructorDescriptor, ClassConstructorDescriptor> { constructor ->
-                SingleAbstractMethodUtils.createSamAdapterConstructor(constructor, samResolver, samConversionOracle) as ClassConstructorDescriptor
+                JavaSingleAbstractMethodUtils
+                    .createSamAdapterConstructor(constructor, samResolver, samConversionOracle) as ClassConstructorDescriptor
             }
 
     private val samConstructorForTypeAliasConstructor =
@@ -92,7 +95,7 @@ class SamAdapterFunctionsScope(
     private fun extensionForFunctionNotCached(function: FunctionDescriptor): FunctionDescriptor? {
         if (!function.visibility.isVisibleOutside()) return null
         if (!function.hasJavaOriginInHierarchy()) return null //TODO: should we go into base at all?
-        if (!SingleAbstractMethodUtils.isSamAdapterNecessary(function)) return null
+        if (!JavaSingleAbstractMethodUtils.isSamAdapterNecessary(function)) return null
         if (function.returnType == null) return null
         if (deprecationResolver.isHiddenInResolution(function)) return null
         return SamAdapterExtensionFunctionDescriptorImpl.create(function, samResolver, samConversionOracle)
@@ -181,7 +184,7 @@ class SamAdapterFunctionsScope(
     private fun recordSamLookupsToClassifier(classifier: ClassifierDescriptor, location: LookupLocation) {
         if (classifier !is JavaClassDescriptor || classifier.kind != ClassKind.INTERFACE) return
         // TODO: We should also record SAM lookups even when the interface is not SAM
-        if (!SingleAbstractMethodUtils.isSamType(classifier.defaultType)) return
+        if (!JavaSingleAbstractMethodUtils.isSamType(classifier.defaultType)) return
 
         lookupTracker.record(location, classifier, SAM_LOOKUP_NAME)
     }
@@ -217,7 +220,7 @@ class SamAdapterFunctionsScope(
     }
 
     private fun createJavaSamAdapterConstructor(constructor: JavaClassConstructorDescriptor): ClassConstructorDescriptor? {
-        if (!SingleAbstractMethodUtils.isSamAdapterNecessary(constructor)) return null
+        if (!JavaSingleAbstractMethodUtils.isSamAdapterNecessary(constructor)) return null
         return samConstructorForJavaConstructor(constructor)
     }
 
@@ -230,7 +233,7 @@ class SamAdapterFunctionsScope(
         return functions.mapNotNull { function ->
             if (function !is JavaMethodDescriptor) return@mapNotNull null
             if (function.dispatchReceiverParameter != null) return@mapNotNull null // consider only statics
-            if (!SingleAbstractMethodUtils.isSamAdapterNecessary(function)) return@mapNotNull null
+            if (!JavaSingleAbstractMethodUtils.isSamAdapterNecessary(function)) return@mapNotNull null
             if (samViaSyntheticScopeDisabled && !function.shouldGenerateCandidateForVarargAfterSamAndHasVararg)
                 return@mapNotNull null
 
@@ -261,16 +264,16 @@ class SamAdapterFunctionsScope(
         }
 
         if (classifier !is ClassDescriptor) return null
-        if (!SingleAbstractMethodUtils.isSamClassDescriptor(classifier)) return null
+        if (!JavaSingleAbstractMethodUtils.isSamClassDescriptor(classifier)) return null
 
         return samConstructorForClassifier(classifier)
     }
 
     private fun getTypeAliasSamConstructor(classifier: TypeAliasDescriptor): SamConstructorDescriptor? {
         val classDescriptor = classifier.classDescriptor ?: return null
-        if (!SingleAbstractMethodUtils.isSamClassDescriptor(classDescriptor)) return null
+        if (!JavaSingleAbstractMethodUtils.isSamClassDescriptor(classDescriptor)) return null
 
-        return SingleAbstractMethodUtils.createTypeAliasSamConstructorFunction(
+        return JavaSingleAbstractMethodUtils.createTypeAliasSamConstructorFunction(
                 classifier, samConstructorForClassifier(classDescriptor), samResolver, samConversionOracle
         )
     }
@@ -313,7 +316,7 @@ class SamAdapterFunctionsScope(
                 val typeSubstitutor = DescriptorSubstitutor.substituteTypeParameters(sourceTypeParams, TypeSubstitution.EMPTY, descriptor, typeParameters)
 
                 val returnType = typeSubstitutor.safeSubstitute(sourceFunction.returnType!!, Variance.INVARIANT)
-                val valueParameters = SingleAbstractMethodUtils.createValueParametersForSamAdapter(
+                val valueParameters = JavaSingleAbstractMethodUtils.createValueParametersForSamAdapter(
                         sourceFunction, descriptor, typeSubstitutor, samResolver, samConversionOracle
                 )
 
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmGeneratorExtensions.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmGeneratorExtensions.kt
index 4f3121f515e..a63b73159fa 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmGeneratorExtensions.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmGeneratorExtensions.kt
@@ -17,7 +17,7 @@ import org.jetbrains.kotlin.load.java.descriptors.JavaCallableMemberDescriptor
 import org.jetbrains.kotlin.load.java.descriptors.JavaClassDescriptor
 import org.jetbrains.kotlin.load.java.sam.SamAdapterDescriptor
 import org.jetbrains.kotlin.load.java.sam.SamConstructorDescriptor
-import org.jetbrains.kotlin.load.java.sam.SingleAbstractMethodUtils
+import org.jetbrains.kotlin.load.java.sam.JavaSingleAbstractMethodUtils
 import org.jetbrains.kotlin.load.java.typeEnhancement.hasEnhancedNullability
 import org.jetbrains.kotlin.load.kotlin.JvmPackagePartSource
 import org.jetbrains.kotlin.psi2ir.generators.GeneratorExtensions
@@ -50,7 +50,7 @@ class JvmGeneratorExtensions(private val generateFacades: Boolean = true) : Gene
             descriptor is SamConstructorDescriptor
 
         override fun isSamType(type: KotlinType): Boolean =
-            SingleAbstractMethodUtils.isSamType(type)
+            JavaSingleAbstractMethodUtils.isSamType(type)
 
         override fun getSamTypeInfoForValueParameter(valueParameter: ValueParameterDescriptor): KotlinType? {
             val samType = SamType.createByValueParameter(valueParameter) ?: return null
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/usagesSearch/ExpressionsOfTypeProcessor.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/usagesSearch/ExpressionsOfTypeProcessor.kt
index 80a844e0bf2..d8b3e3580be 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/usagesSearch/ExpressionsOfTypeProcessor.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/usagesSearch/ExpressionsOfTypeProcessor.kt
@@ -42,7 +42,6 @@ import org.jetbrains.kotlin.idea.util.ProjectRootsUtil
 import org.jetbrains.kotlin.idea.util.application.runReadAction
 import org.jetbrains.kotlin.kdoc.psi.impl.KDocName
 import org.jetbrains.kotlin.load.java.descriptors.JavaClassDescriptor
-import org.jetbrains.kotlin.load.java.sam.SingleAbstractMethodUtils
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.*
 import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
diff --git a/idea/src/org/jetbrains/kotlin/idea/inspections/RedundantSamConstructorInspection.kt b/idea/src/org/jetbrains/kotlin/idea/inspections/RedundantSamConstructorInspection.kt
index 5974cff9828..dc2400e2e96 100644
--- a/idea/src/org/jetbrains/kotlin/idea/inspections/RedundantSamConstructorInspection.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/inspections/RedundantSamConstructorInspection.kt
@@ -22,7 +22,7 @@ import org.jetbrains.kotlin.idea.util.getResolutionScope
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.load.java.sam.SamAdapterDescriptor
 import org.jetbrains.kotlin.load.java.sam.SamConstructorDescriptor
-import org.jetbrains.kotlin.load.java.sam.SingleAbstractMethodUtils
+import org.jetbrains.kotlin.load.java.sam.JavaSingleAbstractMethodUtils
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.anyDescendantOfType
@@ -246,7 +246,7 @@ class RedundantSamConstructorInspection : AbstractKotlinInspection() {
             val samAdapterOriginalFunction = SamCodegenUtil.getOriginalIfSamAdapter(samAdapter)?.original
             if (samAdapterOriginalFunction != originalFunction) return false
 
-            val parametersWithSamTypeCount = originalFunction.valueParameters.count { SingleAbstractMethodUtils.isSamType(it.type) }
+            val parametersWithSamTypeCount = originalFunction.valueParameters.count { JavaSingleAbstractMethodUtils.isSamType(it.type) }
             return parametersWithSamTypeCount == samConstructorsCount
         }
 
diff --git a/idea/src/org/jetbrains/kotlin/idea/intentions/ObjectLiteralToLambdaIntention.kt b/idea/src/org/jetbrains/kotlin/idea/intentions/ObjectLiteralToLambdaIntention.kt
index 64f4e18124b..f51223fefc8 100644
--- a/idea/src/org/jetbrains/kotlin/idea/intentions/ObjectLiteralToLambdaIntention.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/intentions/ObjectLiteralToLambdaIntention.kt
@@ -26,7 +26,7 @@ import org.jetbrains.kotlin.idea.util.CommentSaver
 import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
 import org.jetbrains.kotlin.idea.util.application.runWriteAction
 import org.jetbrains.kotlin.lexer.KtTokens
-import org.jetbrains.kotlin.load.java.sam.SingleAbstractMethodUtils
+import org.jetbrains.kotlin.load.java.sam.JavaSingleAbstractMethodUtils
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.*
 import org.jetbrains.kotlin.resolve.BindingContext
@@ -65,7 +65,7 @@ class ObjectLiteralToLambdaIntention : SelfTargetingRangeIntention<KtObjectLiter
     override fun applicabilityRange(element: KtObjectLiteralExpression): TextRange? {
         val (baseTypeRef, baseType, singleFunction) = extractData(element) ?: return null
 
-        if (!SingleAbstractMethodUtils.isSamType(baseType)) return null
+        if (!JavaSingleAbstractMethodUtils.isSamType(baseType)) return null
 
         val functionDescriptor = singleFunction.resolveToDescriptorIfAny(BodyResolveMode.FULL) ?: return null
         val overridden = functionDescriptor.overriddenDescriptors.singleOrNull() ?: return null
diff --git a/idea/src/org/jetbrains/kotlin/idea/intentions/SamConversionToAnonymousObjectIntention.kt b/idea/src/org/jetbrains/kotlin/idea/intentions/SamConversionToAnonymousObjectIntention.kt
index 2aff4e5f4c6..357e688a3dc 100644
--- a/idea/src/org/jetbrains/kotlin/idea/intentions/SamConversionToAnonymousObjectIntention.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/intentions/SamConversionToAnonymousObjectIntention.kt
@@ -17,7 +17,7 @@ import org.jetbrains.kotlin.idea.core.replaced
 import org.jetbrains.kotlin.idea.search.usagesSearch.descriptor
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.load.java.descriptors.JavaClassDescriptor
-import org.jetbrains.kotlin.load.java.sam.SingleAbstractMethodUtils
+import org.jetbrains.kotlin.load.java.sam.JavaSingleAbstractMethodUtils
 import org.jetbrains.kotlin.psi.KtCallExpression
 import org.jetbrains.kotlin.psi.KtLambdaExpression
 import org.jetbrains.kotlin.psi.KtPsiFactory
@@ -71,7 +71,7 @@ class SamConversionToAnonymousObjectIntention : SelfTargetingRangeIntention<KtCa
 
     private fun KtCallExpression.getSingleAbstractMethod(context: BindingContext): FunctionDescriptor? {
         val type = getType(context) ?: return null
-        if (!SingleAbstractMethodUtils.isSamType(type)) return null
+        if (!JavaSingleAbstractMethodUtils.isSamType(type)) return null
         val javaClass = type.constructor.declarationDescriptor as? JavaClassDescriptor ?: return null
         return getSingleAbstractMethodOrNull(javaClass)
     }