diff --git a/compiler/builtins-serializer/src/org/jetbrains/kotlin/serialization/builtins/BuiltInsSerializer.kt b/compiler/builtins-serializer/src/org/jetbrains/kotlin/serialization/builtins/BuiltInsSerializer.kt
index 1d258b43d10..13ef8ca52df 100644
--- a/compiler/builtins-serializer/src/org/jetbrains/kotlin/serialization/builtins/BuiltInsSerializer.kt
+++ b/compiler/builtins-serializer/src/org/jetbrains/kotlin/serialization/builtins/BuiltInsSerializer.kt
@@ -33,6 +33,7 @@ import org.jetbrains.kotlin.context.ProjectContext
 import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.CompilerEnvironment
diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/JvmPackageMappingProvider.kt b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/JvmPackageMappingProvider.kt
new file mode 100644
index 00000000000..94020459b5c
--- /dev/null
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/JvmPackageMappingProvider.kt
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.resolve.lazy
+
+import com.intellij.openapi.vfs.VirtualFile
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
+import org.jetbrains.kotlin.cli.jvm.config.JvmClasspathRoot
+import org.jetbrains.kotlin.config.CommonConfigurationKeys
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
+import org.jetbrains.kotlin.load.kotlin.ModuleMapping
+
+public class JvmPackageMappingProvider(val env: KotlinCoreEnvironment) : PackageMappingProvider {
+    override fun findPackageMembers(packageName: String): List<String> {
+        val res = env.configuration.getList(CommonConfigurationKeys.CONTENT_ROOTS).
+                filterIsInstance<JvmClasspathRoot>().
+                map {
+                    env.contentRootToVirtualFile(it);
+                }.filterNotNull()
+
+        //TODO additional filtering by package existing
+        //val path = packageName.split("/")
+
+        val mappings = res.map {
+            it.findChild("META-INF")
+        }.filterNotNull().flatMap {
+            it.children.filter { it.name.endsWith(ModuleMapping.MAPPING_FILE_EXT) }.toList<VirtualFile>()
+        }.map {
+            ModuleMapping(String(it.contentsToByteArray(), "UTF-8"))
+        }
+
+        return mappings.map { it.findPackageParts(packageName) }.filterNotNull().flatMap { it.parts }.distinct()
+    }
+}
\ No newline at end of file
diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt
index 442ae3599eb..59ebcb65af9 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt
@@ -190,7 +190,7 @@ public class KotlinCoreEnvironment private constructor(
         }
     }
 
-    private fun contentRootToVirtualFile(root: JvmContentRoot): VirtualFile? {
+    fun contentRootToVirtualFile(root: JvmContentRoot): VirtualFile? {
         when (root) {
             is JvmClasspathRoot -> {
                 return if (root.file.isFile()) findJarRoot(root) else findLocalDirectory(root)
@@ -242,6 +242,10 @@ public class KotlinCoreEnvironment private constructor(
         messageCollector.report(severity, message, CompilerMessageLocation.NO_LOCATION)
     }
 
+    public fun getJavaRoots() : List<JavaRoot> {
+        return javaRoots
+    }
+
     companion object {
 
         private val APPLICATION_LOCK = Object()
diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinToJVMBytecodeCompiler.java b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinToJVMBytecodeCompiler.java
index c02ca339144..e405ad74f12 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinToJVMBytecodeCompiler.java
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinToJVMBytecodeCompiler.java
@@ -57,6 +57,7 @@ import org.jetbrains.kotlin.resolve.BindingTraceContext;
 import org.jetbrains.kotlin.resolve.ScriptNameUtil;
 import org.jetbrains.kotlin.resolve.jvm.JvmClassName;
 import org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM;
+import org.jetbrains.kotlin.resolve.lazy.JvmPackageMappingProvider;
 import org.jetbrains.kotlin.util.PerformanceCounter;
 import org.jetbrains.kotlin.utils.KotlinPaths;
 
@@ -326,7 +327,8 @@ public class KotlinToJVMBytecodeCompiler {
                                 environment.getSourceFiles(),
                                 sharedTrace,
                                 environment.getConfiguration().get(JVMConfigurationKeys.MODULE_IDS),
-                                environment.getConfiguration().get(JVMConfigurationKeys.INCREMENTAL_COMPILATION_COMPONENTS)
+                                environment.getConfiguration().get(JVMConfigurationKeys.INCREMENTAL_COMPILATION_COMPONENTS),
+                                new JvmPackageMappingProvider(environment)
                         );
                     }
                 }
diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/frontend/java/di/injection.kt b/compiler/frontend.java/src/org/jetbrains/kotlin/frontend/java/di/injection.kt
index 2776981bb26..86ef33f821b 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/frontend/java/di/injection.kt
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/frontend/java/di/injection.kt
@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.load.java.JavaClassFinderImpl
 import org.jetbrains.kotlin.load.java.JavaFlexibleTypeCapabilitiesProvider
 import org.jetbrains.kotlin.load.java.components.*
 import org.jetbrains.kotlin.load.java.lazy.ModuleClassResolver
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 import org.jetbrains.kotlin.load.java.lazy.SingleModuleClassResolver
 import org.jetbrains.kotlin.load.java.sam.SamConversionResolverImpl
 import org.jetbrains.kotlin.load.java.structure.impl.JavaPropertyInitializerEvaluatorImpl
@@ -69,8 +70,13 @@ public fun StorageComponentContainer.configureJavaTopDownAnalysis(moduleContentS
 
 public fun createContainerForLazyResolveWithJava(
         moduleContext: ModuleContext, bindingTrace: BindingTrace, declarationProviderFactory: DeclarationProviderFactory,
-        moduleContentScope: GlobalSearchScope, moduleClassResolver: ModuleClassResolver, targetEnvironment: TargetEnvironment = CompilerEnvironment
+        moduleContentScope: GlobalSearchScope, moduleClassResolver: ModuleClassResolver,
+        targetEnvironment: TargetEnvironment = CompilerEnvironment,
+        packageMappingProvider: PackageMappingProvider
 ): ComponentProvider = createContainer("LazyResolveWithJava") {
+    //TODO: idea specific code
+    useInstance(packageMappingProvider)
+
     configureModule(moduleContext, JvmPlatform, bindingTrace)
     configureJavaTopDownAnalysis(moduleContentScope, moduleContext.project, LookupTracker.DO_NOTHING)
 
@@ -92,8 +98,11 @@ public fun createContainerForTopDownAnalyzerForJvm(
         bindingTrace: BindingTrace,
         declarationProviderFactory: DeclarationProviderFactory,
         moduleContentScope: GlobalSearchScope,
-        lookupTracker: LookupTracker
+        lookupTracker: LookupTracker,
+        packageMappingProvider: PackageMappingProvider
 ): ContainerForTopDownAnalyzerForJvm = createContainer("TopDownAnalyzerForJvm") {
+    useInstance(packageMappingProvider)
+
     configureModule(moduleContext, JvmPlatform, bindingTrace)
     configureJavaTopDownAnalysis(moduleContentScope, moduleContext.project, lookupTracker)
 
diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/JvmAnalyzerFacade.kt b/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/JvmAnalyzerFacade.kt
index c7eab8ee791..4690e0787f8 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/JvmAnalyzerFacade.kt
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/JvmAnalyzerFacade.kt
@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
 import org.jetbrains.kotlin.extensions.ExternalDeclarationsProvider
 import org.jetbrains.kotlin.frontend.java.di.createContainerForLazyResolveWithJava
 import org.jetbrains.kotlin.load.java.lazy.ModuleClassResolverImpl
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 import org.jetbrains.kotlin.load.java.structure.JavaClass
 import org.jetbrains.kotlin.psi.JetFile
 import org.jetbrains.kotlin.resolve.CodeAnalyzerInitializer
@@ -49,7 +50,8 @@ public object JvmAnalyzerFacade : AnalyzerFacade<JvmPlatformParameters>() {
             moduleContent: ModuleContent,
             platformParameters: JvmPlatformParameters,
             targetEnvironment: TargetEnvironment,
-            resolverForProject: ResolverForProject<M>
+            resolverForProject: ResolverForProject<M>,
+            packageMappingProvider: PackageMappingProvider
     ): ResolverForModule {
         val (syntheticFiles, moduleContentScope) = moduleContent
         val project = moduleContext.project
@@ -69,7 +71,8 @@ public object JvmAnalyzerFacade : AnalyzerFacade<JvmPlatformParameters>() {
                 declarationProviderFactory,
                 moduleContentScope,
                 moduleClassResolver,
-                targetEnvironment
+                targetEnvironment,
+                packageMappingProvider
         )
         val resolveSession = container.get<ResolveSession>()
         val javaDescriptorResolver = container.get<JavaDescriptorResolver>()
diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/TopDownAnalyzerFacadeForJVM.java b/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/TopDownAnalyzerFacadeForJVM.java
index 6750ad409f4..eebcc587392 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/TopDownAnalyzerFacadeForJVM.java
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/TopDownAnalyzerFacadeForJVM.java
@@ -40,6 +40,7 @@ import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap;
 import org.jetbrains.kotlin.psi.JetFile;
 import org.jetbrains.kotlin.resolve.*;
 import org.jetbrains.kotlin.resolve.jvm.extensions.AnalysisCompletedHandlerExtension;
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider;
 import org.jetbrains.kotlin.resolve.lazy.declarations.FileBasedDeclarationProviderFactory;
 import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter;
 import org.jetbrains.kotlin.resolve.scopes.JetScope;
@@ -91,9 +92,10 @@ public enum TopDownAnalyzerFacadeForJVM {
             @NotNull ModuleContext moduleContext,
             @NotNull Collection<JetFile> files,
             @NotNull BindingTrace trace,
-            @NotNull TopDownAnalysisMode topDownAnalysisMode
+            @NotNull TopDownAnalysisMode topDownAnalysisMode,
+            PackageMappingProvider packageMappingProvider
     ) {
-        return analyzeFilesWithJavaIntegration(moduleContext, files, trace, topDownAnalysisMode, null, null);
+        return analyzeFilesWithJavaIntegration(moduleContext, files, trace, topDownAnalysisMode, null, null, packageMappingProvider);
     }
 
     @NotNull
@@ -102,11 +104,12 @@ public enum TopDownAnalyzerFacadeForJVM {
             @NotNull Collection<JetFile> files,
             @NotNull BindingTrace trace,
             @Nullable List<String> moduleIds,
-            @Nullable IncrementalCompilationComponents incrementalCompilationComponents
+            @Nullable IncrementalCompilationComponents incrementalCompilationComponents,
+            @NotNull PackageMappingProvider packageMappingProvider
     ) {
         return analyzeFilesWithJavaIntegration(
-                moduleContext, files, trace, TopDownAnalysisMode.TopLevelDeclarations, moduleIds, incrementalCompilationComponents
-        );
+                moduleContext, files, trace, TopDownAnalysisMode.TopLevelDeclarations, moduleIds, incrementalCompilationComponents,
+                packageMappingProvider);
     }
 
     @NotNull
@@ -116,7 +119,8 @@ public enum TopDownAnalyzerFacadeForJVM {
             @NotNull BindingTrace trace,
             @NotNull TopDownAnalysisMode topDownAnalysisMode,
             @Nullable List<String> moduleIds,
-            @Nullable IncrementalCompilationComponents incrementalCompilationComponents
+            @Nullable IncrementalCompilationComponents incrementalCompilationComponents,
+            @NotNull PackageMappingProvider packageMappingProvider
     ) {
         Project project = moduleContext.getProject();
         List<JetFile> allFiles = JvmAnalyzerFacade.getAllFilesToAnalyze(project, null, files);
@@ -132,7 +136,8 @@ public enum TopDownAnalyzerFacadeForJVM {
                 trace,
                 providerFactory,
                 GlobalSearchScope.allScope(project),
-                lookupTracker
+                lookupTracker,
+                packageMappingProvider
         );
 
         List<PackageFragmentProvider> additionalProviders = new ArrayList<PackageFragmentProvider>();
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/analyzer/AnalyzerFacade.kt b/compiler/frontend/src/org/jetbrains/kotlin/analyzer/AnalyzerFacade.kt
index 6ee9829b2ee..d6e5162748f 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/analyzer/AnalyzerFacade.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/analyzer/AnalyzerFacade.kt
@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.descriptors.PackageFragmentProvider
 import org.jetbrains.kotlin.descriptors.impl.LazyModuleDependencies
 import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.psi.JetFile
@@ -128,9 +129,9 @@ public abstract class AnalyzerFacade<in P : PlatformAnalysisParameters> {
             modulesContent: (M) -> ModuleContent,
             platformParameters: P,
             targetEnvironment: TargetEnvironment,
-            delegateResolver: ResolverForProject<M> = EmptyResolverForProject()
+            delegateResolver: ResolverForProject<M> = EmptyResolverForProject(),
+            packageMappingProviderFactory: (M, ModuleContent) -> PackageMappingProvider = { (m, c) -> PackageMappingProvider.EMPTY }
     ): ResolverForProject<M> {
-
         val storageManager = projectContext.storageManager
         fun createResolverForProject(): ResolverForProjectImpl<M> {
             val descriptorByModule = HashMap<M, ModuleDescriptorImpl>()
@@ -182,9 +183,11 @@ public abstract class AnalyzerFacade<in P : PlatformAnalysisParameters> {
                 module ->
                 val descriptor = resolverForProject.descriptorForModule(module)
                 val computeResolverForModule = storageManager.createLazyValue {
+                    val content = modulesContent(module)
                     createResolverForModule(
                             module, descriptor, projectContext.withModule(descriptor), modulesContent(module),
-                            platformParameters, targetEnvironment, resolverForProject
+                            platformParameters, targetEnvironment, resolverForProject,
+                            packageMappingProviderFactory(module, content)
                     )
                 }
 
@@ -204,7 +207,8 @@ public abstract class AnalyzerFacade<in P : PlatformAnalysisParameters> {
             moduleContent: ModuleContent,
             platformParameters: P,
             targetEnvironment: TargetEnvironment,
-            resolverForProject: ResolverForProject<M>
+            resolverForProject: ResolverForProject<M>,
+            packageMappingProvider: PackageMappingProvider
     ): ResolverForModule
 
     public abstract val moduleParameters: ModuleParameters
diff --git a/compiler/tests/org/jetbrains/kotlin/checkers/AbstractJetDiagnosticsTest.java b/compiler/tests/org/jetbrains/kotlin/checkers/AbstractJetDiagnosticsTest.java
index 6520c574165..a17f4c46bc9 100644
--- a/compiler/tests/org/jetbrains/kotlin/checkers/AbstractJetDiagnosticsTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/checkers/AbstractJetDiagnosticsTest.java
@@ -49,6 +49,7 @@ import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall;
 import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics;
 import org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM;
 import org.jetbrains.kotlin.resolve.lazy.LazyResolveTestUtil;
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider;
 import org.jetbrains.kotlin.storage.ExceptionTracker;
 import org.jetbrains.kotlin.storage.LockBasedStorageManager;
 import org.jetbrains.kotlin.storage.StorageManager;
@@ -246,7 +247,8 @@ public abstract class AbstractJetDiagnosticsTest extends BaseDiagnosticsTest {
                 jetFiles,
                 moduleTrace,
                 null,
-                null
+                null,
+                PackageMappingProvider.EMPTY
         );
     }
 
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractLoadJavaTest.java b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractLoadJavaTest.java
index 23ec20ec9dc..330b8869357 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractLoadJavaTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractLoadJavaTest.java
@@ -36,6 +36,7 @@ import org.jetbrains.kotlin.resolve.DescriptorUtils;
 import org.jetbrains.kotlin.resolve.TopDownAnalysisMode;
 import org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM;
 import org.jetbrains.kotlin.resolve.lazy.JvmResolveUtil;
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider;
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedClassDescriptor;
 import org.jetbrains.kotlin.test.ConfigurationKind;
 import org.jetbrains.kotlin.test.JetTestUtils;
@@ -154,7 +155,8 @@ public abstract class AbstractLoadJavaTest extends TestCaseWithTmpdir {
                 moduleContext,
                 environment.getSourceFiles(),
                 trace,
-                TopDownAnalysisMode.TopLevelDeclarations
+                TopDownAnalysisMode.TopLevelDeclarations,
+                PackageMappingProvider.EMPTY
         );
 
         PackageViewDescriptor packageView = moduleContext.getModule().getPackage(TEST_PACKAGE_FQNAME);
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSdkAnnotationsValidityTest.java b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSdkAnnotationsValidityTest.java
index 2aba1a53aa9..23419354766 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSdkAnnotationsValidityTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSdkAnnotationsValidityTest.java
@@ -35,6 +35,7 @@ import org.jetbrains.kotlin.resolve.BindingContext;
 import org.jetbrains.kotlin.resolve.BindingTrace;
 import org.jetbrains.kotlin.resolve.DescriptorUtils;
 import org.jetbrains.kotlin.resolve.jvm.kotlinSignature.TypeTransformingVisitor;
+import org.jetbrains.kotlin.resolve.lazy.JvmPackageMappingProvider;
 import org.jetbrains.kotlin.resolve.lazy.LazyResolveTestUtil;
 import org.jetbrains.kotlin.resolve.scopes.JetScope;
 
@@ -78,7 +79,8 @@ public abstract class AbstractSdkAnnotationsValidityTest extends UsefulTestCase
 
                 BindingTrace trace = new CliLightClassGenerationSupport.NoScopeRecordCliBindingTrace();
                 ModuleDescriptor module = LazyResolveTestUtil.resolve(
-                        commonEnvironment.getProject(), trace, Collections.<JetFile>emptyList()
+                        commonEnvironment.getProject(), trace, Collections.<JetFile>emptyList(),
+                        new JvmPackageMappingProvider(commonEnvironment)
                 );
 
                 AlternativeSignatureErrorFindingVisitor visitor =
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadDescriptorUtil.java b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadDescriptorUtil.java
index c95b3e37daf..e243201f901 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadDescriptorUtil.java
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadDescriptorUtil.java
@@ -38,6 +38,7 @@ import org.jetbrains.kotlin.name.Name;
 import org.jetbrains.kotlin.psi.JetFile;
 import org.jetbrains.kotlin.resolve.BindingContext;
 import org.jetbrains.kotlin.resolve.BindingTrace;
+import org.jetbrains.kotlin.resolve.lazy.JvmPackageMappingProvider;
 import org.jetbrains.kotlin.resolve.lazy.JvmResolveUtil;
 import org.jetbrains.kotlin.resolve.lazy.LazyResolveTestUtil;
 import org.jetbrains.kotlin.test.ConfigurationKind;
@@ -102,7 +103,8 @@ public final class LoadDescriptorUtil {
                 KotlinCoreEnvironment.createForTests(disposable, configuration, EnvironmentConfigFiles.JVM_CONFIG_FILES);
 
         BindingTrace trace = new CliLightClassGenerationSupport.NoScopeRecordCliBindingTrace();
-        ModuleDescriptor module = LazyResolveTestUtil.resolve(environment.getProject(), trace, Collections.<JetFile>emptyList());
+        ModuleDescriptor module = LazyResolveTestUtil
+                .resolve(environment.getProject(), trace, Collections.<JetFile>emptyList(), new JvmPackageMappingProvider(environment));
 
         PackageViewDescriptor packageView = module.getPackage(TEST_PACKAGE_FQNAME);
         return Pair.create(packageView, trace.getBindingContext());
diff --git a/compiler/tests/org/jetbrains/kotlin/resolve/lazy/JvmResolveUtil.java b/compiler/tests/org/jetbrains/kotlin/resolve/lazy/JvmResolveUtil.java
index 33102c25ca8..fe6d7c48995 100644
--- a/compiler/tests/org/jetbrains/kotlin/resolve/lazy/JvmResolveUtil.java
+++ b/compiler/tests/org/jetbrains/kotlin/resolve/lazy/JvmResolveUtil.java
@@ -21,6 +21,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.kotlin.analyzer.AnalysisResult;
 import org.jetbrains.kotlin.cli.jvm.compiler.CliLightClassGenerationSupport;
 import org.jetbrains.kotlin.context.ModuleContext;
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider;
 import org.jetbrains.kotlin.psi.JetFile;
 import org.jetbrains.kotlin.resolve.AnalyzingUtils;
 import org.jetbrains.kotlin.resolve.BindingTrace;
@@ -71,6 +72,6 @@ public class JvmResolveUtil {
 
         BindingTrace trace = new CliLightClassGenerationSupport.CliBindingTrace();
 
-        return TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegrationWithCustomContext(moduleContext, files, trace, null, null);
+        return TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegrationWithCustomContext(moduleContext, files, trace, null, null, PackageMappingProvider.EMPTY);
     }
 }
diff --git a/compiler/tests/org/jetbrains/kotlin/resolve/lazy/LazyResolveTestUtil.java b/compiler/tests/org/jetbrains/kotlin/resolve/lazy/LazyResolveTestUtil.java
index 734e5230125..14ad834060e 100644
--- a/compiler/tests/org/jetbrains/kotlin/resolve/lazy/LazyResolveTestUtil.java
+++ b/compiler/tests/org/jetbrains/kotlin/resolve/lazy/LazyResolveTestUtil.java
@@ -23,6 +23,7 @@ import org.jetbrains.kotlin.cli.jvm.compiler.CliLightClassGenerationSupport;
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment;
 import org.jetbrains.kotlin.context.ModuleContext;
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor;
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider;
 import org.jetbrains.kotlin.name.Name;
 import org.jetbrains.kotlin.name.SpecialNames;
 import org.jetbrains.kotlin.psi.JetFile;
@@ -47,15 +48,21 @@ public class LazyResolveTestUtil {
 
     @NotNull
     public static ModuleDescriptor resolve(@NotNull Project project, @NotNull List<JetFile> sourceFiles) {
-        return resolve(project, new CliLightClassGenerationSupport.NoScopeRecordCliBindingTrace(), sourceFiles);
+        return resolve(project, new CliLightClassGenerationSupport.NoScopeRecordCliBindingTrace(), sourceFiles, PackageMappingProvider.EMPTY);
     }
 
     @NotNull
-    public static ModuleDescriptor resolve(@NotNull Project project, @NotNull BindingTrace trace, @NotNull List<JetFile> sourceFiles) {
+    public static ModuleDescriptor resolve(
+            @NotNull Project project,
+            @NotNull BindingTrace trace,
+            @NotNull List<JetFile> sourceFiles,
+            @NotNull PackageMappingProvider packageMappingProvider
+    ) {
         ModuleContext moduleContext = TopDownAnalyzerFacadeForJVM.createContextWithSealedModule(project, "test");
 
         TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegrationNoIncremental(
-                moduleContext, sourceFiles, trace, TopDownAnalysisMode.TopLevelDeclarations
+                moduleContext, sourceFiles, trace, TopDownAnalysisMode.TopLevelDeclarations,
+                packageMappingProvider
         );
 
         return moduleContext.getModule();
diff --git a/compiler/tests/org/jetbrains/kotlin/serialization/AbstractLocalClassProtoTest.kt b/compiler/tests/org/jetbrains/kotlin/serialization/AbstractLocalClassProtoTest.kt
index 665cbe7fd3a..b2b3a03170f 100644
--- a/compiler/tests/org/jetbrains/kotlin/serialization/AbstractLocalClassProtoTest.kt
+++ b/compiler/tests/org/jetbrains/kotlin/serialization/AbstractLocalClassProtoTest.kt
@@ -26,6 +26,7 @@ import org.jetbrains.kotlin.frontend.java.di.createContainerForTopDownAnalyzerFo
 import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.jvm.compiler.LoadDescriptorUtil
 import org.jetbrains.kotlin.load.java.JvmAnnotationNames
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 import org.jetbrains.kotlin.load.java.structure.reflect.classId
 import org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM
 import org.jetbrains.kotlin.resolve.lazy.declarations.FileBasedDeclarationProviderFactory
@@ -59,7 +60,7 @@ public abstract class AbstractLocalClassProtoTest : TestCaseWithTmpdir() {
 
         val container = createContainerForTopDownAnalyzerForJvm(
                 moduleContext, CliLightClassGenerationSupport.NoScopeRecordCliBindingTrace(),
-                providerFactory, GlobalSearchScope.allScope(environment.project), LookupTracker.DO_NOTHING
+                providerFactory, GlobalSearchScope.allScope(environment.project), LookupTracker.DO_NOTHING, PackageMappingProvider.EMPTY
         )
         moduleContext.initializeModuleContents(container.javaDescriptorResolver.packageFragmentProvider)
 
diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/LazyJavaPackageFragmentProvider.kt b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/LazyJavaPackageFragmentProvider.kt
index e3b2cc7469d..5fd37fe663e 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/LazyJavaPackageFragmentProvider.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/LazyJavaPackageFragmentProvider.kt
@@ -30,7 +30,8 @@ import org.jetbrains.kotlin.utils.emptyOrSingletonList
 public class LazyJavaPackageFragmentProvider(
         components: JavaResolverComponents,
         module: ModuleDescriptor,
-        reflectionTypes: ReflectionTypes
+        reflectionTypes: ReflectionTypes,
+        packageMapper: PackageMappingProvider
 ) : PackageFragmentProvider {
 
     private val c =
@@ -41,7 +42,7 @@ public class LazyJavaPackageFragmentProvider(
                 fqName ->
                 val jPackage = c.components.finder.findPackage(fqName)
                 if (jPackage != null) {
-                    LazyJavaPackageFragment(c, jPackage)
+                    LazyJavaPackageFragment(c, jPackage, packageMapper)
                 }
                 else null
             }
diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/PackageMappingProvider.kt b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/PackageMappingProvider.kt
new file mode 100644
index 00000000000..020579f06b2
--- /dev/null
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/PackageMappingProvider.kt
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//package org.jetbrains.kotlin.load.java.lazy
+
+//interface PackageMappingProvider {
+//
+//    fun findPackageMembers(packageName: String): List<String>
+//
+//    companion object {
+//        val EMPTY = object : PackageMappingProvider {
+//            override fun findPackageMembers(packageName: String): List<String> {
+//                return emptyList()
+//            }
+//        }
+//    }
+//}
diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageFragment.kt b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageFragment.kt
index 06b53183265..3dd7b117988 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageFragment.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageFragment.kt
@@ -19,7 +19,9 @@ package org.jetbrains.kotlin.load.java.lazy.descriptors
 import org.jetbrains.kotlin.descriptors.SourceElement
 import org.jetbrains.kotlin.descriptors.impl.PackageFragmentDescriptorImpl
 import org.jetbrains.kotlin.load.java.lazy.LazyJavaResolverContext
+
 import org.jetbrains.kotlin.load.java.structure.JavaClass
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 import org.jetbrains.kotlin.load.java.structure.JavaPackage
 import org.jetbrains.kotlin.load.kotlin.KotlinJvmBinarySourceElement
 import org.jetbrains.kotlin.resolve.scopes.DecapitalizedAnnotationScope
@@ -27,7 +29,8 @@ import org.jetbrains.kotlin.resolve.scopes.JetScope
 
 class LazyJavaPackageFragment(
         private val c: LazyJavaResolverContext,
-        private val jPackage: JavaPackage
+        private val jPackage: JavaPackage,
+        val packageMapper: PackageMappingProvider
 ) : PackageFragmentDescriptorImpl(c.module, jPackage.getFqName()) {
     val scope: LazyJavaPackageScope by lazy { LazyJavaPackageScope(c, jPackage, this) }
     // Just a temporary hack to inject deprecated decapitalized annotation
diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt
index ef97522e222..40253da3fae 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt
@@ -52,8 +52,14 @@ public class LazyJavaPackageScope(
         val kotlinBinaryClass = kotlinBinaryClass
         if (kotlinBinaryClass == null)
             JetScope.Empty
-        else
-            c.components.deserializedDescriptorResolver.createKotlinPackageScope(packageFragment, kotlinBinaryClass) ?: JetScope.Empty
+        else {
+            val pakage = jPackage.getFqName().asString()
+            val files = containingDeclaration.packageMapper.findPackageMembers(pakage.replace("\\.", "/"))
+//            println("package:" + pakage)
+//            println(files.join())
+            val jetScope = c.components.deserializedDescriptorResolver.createKotlinPackageScope(packageFragment, kotlinBinaryClass) ?: JetScope.Empty
+            jetScope
+        }
     }
 
     private val packageFragment: LazyJavaPackageFragment get() = getContainingDeclaration() as LazyJavaPackageFragment
diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/ModuleMapping.kt b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/ModuleMapping.kt
index 72e2dc45f73..d42d64e2dca 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/ModuleMapping.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/ModuleMapping.kt
@@ -30,15 +30,49 @@ public class ModuleMapping(val moduleMapping: String) {
             miniFacades.parts.add(facade)
         }
     }
+
+    fun findPackageParts(internalPackageName: String): PackageFacades? {
+        return package2MiniFacades[internalPackageName]
+    }
+
+    companion object {
+        public val MAPPING_FILE_EXT: String = "kotlin_module";
+    }
 }
 
 public class PackageFacades(val internalName: String) {
 
-    val parts = hashSetOf<String>()
+    val parts = linkedSetOf<String>()
 
     fun serialize(out: Writer) {
         for (i in parts) {
             out.write("$internalName->$i\n")
         }
     }
+
+    override fun equals(other: Any?): Boolean {
+        if (other !is PackageFacades) {
+            return false;
+        }
+
+        if (other.internalName != internalName) {
+            return false;
+        }
+
+        if (other.parts.size() != parts.size()) {
+            return false;
+        }
+
+        for (part in other.parts) {
+            if (!parts.contains(part)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    override fun hashCode(): Int {
+        return internalName.hashCode() / 3 + parts.size() / 3+ (parts.firstOrNull()?.hashCode() ?: 0) /3
+    }
 }
\ No newline at end of file
diff --git a/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/RuntimeModuleData.kt b/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/RuntimeModuleData.kt
index 00a4b6cd040..d38a8485da6 100644
--- a/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/RuntimeModuleData.kt
+++ b/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/RuntimeModuleData.kt
@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
 import org.jetbrains.kotlin.load.java.components.*
 import org.jetbrains.kotlin.load.java.lazy.JavaResolverComponents
 import org.jetbrains.kotlin.load.java.lazy.LazyJavaPackageFragmentProvider
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 import org.jetbrains.kotlin.load.java.lazy.SingleModuleClassResolver
 import org.jetbrains.kotlin.load.java.reflect.ReflectJavaClassFinder
 import org.jetbrains.kotlin.load.java.structure.JavaPropertyInitializerEvaluator
@@ -56,7 +57,8 @@ public class RuntimeModuleData private constructor(public val deserialization: D
                     ExternalAnnotationResolver.EMPTY, ExternalSignatureResolver.DO_NOTHING, RuntimeErrorReporter, JavaResolverCache.EMPTY,
                     JavaPropertyInitializerEvaluator.DoNothing, SamConversionResolver, RuntimeSourceElementFactory, singleModuleClassResolver
             )
-            val lazyJavaPackageFragmentProvider = LazyJavaPackageFragmentProvider(globalJavaResolverContext, module, ReflectionTypes(module))
+            val lazyJavaPackageFragmentProvider =
+                    LazyJavaPackageFragmentProvider(globalJavaResolverContext, module, ReflectionTypes(module), PackageMappingProvider.EMPTY)
             val javaDescriptorResolver = JavaDescriptorResolver(lazyJavaPackageFragmentProvider, module)
             val javaClassDataFinder = JavaClassDataFinder(reflectKotlinClassFinder, deserializedDescriptorResolver)
             val binaryClassAnnotationAndConstantLoader = BinaryClassAnnotationAndConstantLoaderImpl(module, storageManager, reflectKotlinClassFinder, RuntimeErrorReporter)
diff --git a/core/descriptors/src/org/jetbrains/kotlin/descriptors/PackageMappingProvider.kt b/core/descriptors/src/org/jetbrains/kotlin/descriptors/PackageMappingProvider.kt
new file mode 100644
index 00000000000..212191e7172
--- /dev/null
+++ b/core/descriptors/src/org/jetbrains/kotlin/descriptors/PackageMappingProvider.kt
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.load.java.lazy
+
+interface PackageMappingProvider {
+
+    fun findPackageMembers(packageName: String): List<String>
+
+    companion object {
+        val EMPTY = object : PackageMappingProvider {
+            override fun findPackageMembers(packageName: String): List<String> {
+                return emptyList()
+            }
+        }
+    }
+}
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/IDEPackageMappingProvider.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/IDEPackageMappingProvider.kt
new file mode 100644
index 00000000000..f4de5e1f54d
--- /dev/null
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/IDEPackageMappingProvider.kt
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.idea.caches.resolve
+
+import com.intellij.psi.search.GlobalSearchScope
+import com.intellij.util.indexing.FileBasedIndex
+import org.jetbrains.kotlin.idea.vfilefinder.KotlinModuleMappingIndex
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
+import org.jetbrains.kotlin.load.kotlin.PackageFacades
+
+public class IDEPackageMappingProvider(val scope: GlobalSearchScope) : PackageMappingProvider {
+
+    override fun findPackageMembers(packageName: String): List<String> {
+        val values: MutableList<PackageFacades> = FileBasedIndex.getInstance().getValues(KotlinModuleMappingIndex.KEY, packageName, scope)
+        return values.flatMap { it.parts }.distinct()
+    }
+}
\ No newline at end of file
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/JsAnalyzerFacade.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/JsAnalyzerFacade.kt
index d36c163cd02..fecb2011e0d 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/JsAnalyzerFacade.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/JsAnalyzerFacade.kt
@@ -29,6 +29,7 @@ import org.jetbrains.kotlin.frontend.di.createContainerForLazyResolve
 import org.jetbrains.kotlin.idea.framework.KotlinJavaScriptLibraryDetectionUtil
 import org.jetbrains.kotlin.js.analyze.TopDownAnalyzerFacadeForJS
 import org.jetbrains.kotlin.js.resolve.JsPlatform
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 import org.jetbrains.kotlin.resolve.BindingTraceContext
 import org.jetbrains.kotlin.resolve.TargetEnvironment
 import org.jetbrains.kotlin.resolve.lazy.ResolveSession
@@ -45,7 +46,8 @@ public object JsAnalyzerFacade : AnalyzerFacade<PlatformAnalysisParameters>() {
             moduleContent: ModuleContent,
             platformParameters: PlatformAnalysisParameters,
             targetEnvironment: TargetEnvironment,
-            resolverForProject: ResolverForProject<M>
+            resolverForProject: ResolverForProject<M>,
+            packageMappingProvider: PackageMappingProvider
     ): ResolverForModule {
         val (syntheticFiles, moduleContentScope) = moduleContent
         val project = moduleContext.project
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/ModuleDependencyMapper.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/ModuleDependencyMapper.kt
index 3993dbaa4da..49c4c1bd355 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/ModuleDependencyMapper.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/ModuleDependencyMapper.kt
@@ -63,7 +63,8 @@ fun createModuleResolverProvider(
 
         val resolverForProject = analyzerFacade.setupResolverForProject(
                 globalContext.withProject(project), modulesToCreateResolversFor, modulesContent,
-                jvmPlatformParameters, IdeaEnvironment, delegateResolver
+                jvmPlatformParameters, IdeaEnvironment, delegateResolver,
+                { (m, c) -> IDEPackageMappingProvider(c.moduleContentScope) }
         )
         return resolverForProject
     }
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/vfilefinder/moduleMappingIndexes.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/vfilefinder/moduleMappingIndexes.kt
new file mode 100644
index 00000000000..2c528329d84
--- /dev/null
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/vfilefinder/moduleMappingIndexes.kt
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.idea.vfilefinder
+
+import com.intellij.openapi.diagnostic.Logger
+import com.intellij.util.indexing.*
+import com.intellij.util.io.DataExternalizer
+import com.intellij.util.io.KeyDescriptor
+import org.jetbrains.kotlin.load.kotlin.ModuleMapping
+import org.jetbrains.kotlin.load.kotlin.PackageFacades
+import java.io.DataInput
+import java.io.DataOutput
+
+class PackageData(val data: List<String>) {
+
+    override fun equals(other: Any?): Boolean {
+        return super.equals(other)
+    }
+
+    override fun hashCode(): Int {
+        return data.size() + (data.firstOrNull()?.hashCode() ?: 0)
+    }
+}
+
+
+public object KotlinModuleMappingIndex : FileBasedIndexExtension<String, PackageFacades>() {
+
+    private val classOfIndex = javaClass<KotlinModuleMappingIndex>().getCanonicalName()
+
+    public val KEY: ID<String, PackageFacades> = ID.create(classOfIndex)
+
+    private val KEY_DESCRIPTOR = object : KeyDescriptor<String> {
+        override fun save(output: DataOutput, value: String) = output.writeUTF(value)
+
+        override fun read(input: DataInput) = input.readUTF()
+
+        override fun getHashCode(value: String) = value.hashCode()
+
+        override fun isEqual(val1: String?, val2: String?) = val1 == val2
+    }
+
+    private val VALUE_EXTERNALIZER = object : DataExternalizer<PackageFacades> {
+        override fun read(`in`: DataInput): PackageFacades? {
+            val internalName = `in`.readUTF()
+            val facades = PackageFacades(internalName)
+            val size = `in`.readInt()
+            (1..size).forEach {
+                facades.parts.add(`in`.readUTF())
+            }
+
+            return facades
+        }
+
+        override fun save(out: DataOutput, value: PackageFacades?) {
+            out.writeUTF(value!!.internalName)
+            out.writeInt(value.parts.size())
+            value.parts.forEach { out.writeUTF(it) }
+        }
+    }
+
+    private val LOG = Logger.getInstance(classOfIndex)
+
+    override fun getName() = KEY
+
+    override fun dependsOnFileContent() = true
+
+    override fun getKeyDescriptor() = KEY_DESCRIPTOR
+
+    override fun getValueExternalizer() = VALUE_EXTERNALIZER
+
+    override fun getInputFilter(): FileBasedIndex.InputFilter {
+        return FileBasedIndex.InputFilter { file -> file.extension == ModuleMapping.MAPPING_FILE_EXT }
+    }
+
+    override fun getVersion(): Int = 1
+
+    override fun getIndexer(): DataIndexer<String, PackageFacades, FileContent> {
+        return object : DataIndexer<String, PackageFacades, FileContent> {
+            override fun map(inputData: FileContent): MutableMap<String, PackageFacades> {
+                val content = String(inputData.getContent())
+                val moduleMapping = ModuleMapping(content)
+                return moduleMapping.package2MiniFacades
+            }
+        }
+    }
+}
+
diff --git a/idea/src/META-INF/plugin.xml b/idea/src/META-INF/plugin.xml
index b39e0dd5034..bad1dacf6fa 100644
--- a/idea/src/META-INF/plugin.xml
+++ b/idea/src/META-INF/plugin.xml
@@ -506,6 +506,7 @@
     <fileBasedIndex implementation="org.jetbrains.kotlin.idea.versions.KotlinJavaScriptAbiVersionIndex"/>
     <fileBasedIndex implementation="org.jetbrains.kotlin.idea.vfilefinder.KotlinClassFileIndex"/>
     <fileBasedIndex implementation="org.jetbrains.kotlin.idea.vfilefinder.KotlinJavaScriptMetaFileIndex"/>
+    <fileBasedIndex implementation="org.jetbrains.kotlin.idea.vfilefinder.KotlinModuleMappingIndex"/>
 
     <idIndexer filetype="Kotlin" implementationClass="org.jetbrains.kotlin.idea.search.KotlinIdIndexer"/>
     <todoIndexer filetype="Kotlin" implementationClass="org.jetbrains.kotlin.idea.search.KotlinTodoIndexer"/>
diff --git a/idea/src/org/jetbrains/kotlin/idea/versions/KotlinUpdatePluginComponent.kt b/idea/src/org/jetbrains/kotlin/idea/versions/KotlinUpdatePluginComponent.kt
index d242863f4c5..9e05ffa9baa 100644
--- a/idea/src/org/jetbrains/kotlin/idea/versions/KotlinUpdatePluginComponent.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/versions/KotlinUpdatePluginComponent.kt
@@ -28,6 +28,7 @@ import com.intellij.util.indexing.FileBasedIndex
 import org.jetbrains.kotlin.idea.JetPluginUtil
 import org.jetbrains.kotlin.idea.vfilefinder.KotlinClassFileIndex
 import org.jetbrains.kotlin.idea.vfilefinder.KotlinJavaScriptMetaFileIndex
+import org.jetbrains.kotlin.idea.vfilefinder.KotlinModuleMappingIndex
 import org.jetbrains.kotlin.utils.PathUtil
 import java.io.File
 
@@ -65,6 +66,7 @@ class KotlinUpdatePluginComponent : ApplicationComponent {
             fileBasedIndex.requestRebuild(KotlinJavaScriptAbiVersionIndex.getName())
             fileBasedIndex.requestRebuild(KotlinClassFileIndex.KEY)
             fileBasedIndex.requestRebuild(KotlinJavaScriptMetaFileIndex.KEY)
+            fileBasedIndex.requestRebuild(KotlinModuleMappingIndex.KEY)
 
             PropertiesComponent.getInstance()?.setValue(INSTALLED_KOTLIN_VERSION, JetPluginUtil.getPluginVersion())
         }
diff --git a/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/DecompiledTextConsistencyTest.kt b/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/DecompiledTextConsistencyTest.kt
index 2e45f603c01..c10f3403542 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/DecompiledTextConsistencyTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/DecompiledTextConsistencyTest.kt
@@ -25,6 +25,7 @@ import org.jetbrains.kotlin.load.kotlin.VirtualFileFinder
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.resolve.BindingTraceContext
 import org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM
+import org.jetbrains.kotlin.load.java.lazy.PackageMappingProvider
 
 public class DecompiledTextConsistencyTest : TextConsistencyBaseTest() {
 
@@ -41,7 +42,7 @@ public class DecompiledTextConsistencyTest : TextConsistencyBaseTest() {
     override fun getModuleDescriptor(): ModuleDescriptor =
             TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegrationWithCustomContext(
                     TopDownAnalyzerFacadeForJVM.createContextWithSealedModule(getProject(), "test"),
-                    listOf(), BindingTraceContext(), null, null
+                    listOf(), BindingTraceContext(), null, null, PackageMappingProvider.EMPTY
             ).moduleDescriptor
 
     override fun getProjectDescriptor() = object : JetWithJdkAndRuntimeLightProjectDescriptor() {