Navigation: Resolve typealiased SAM-references to type alias declaration

#KT-15302 Fixed

core/descriptors/src/org/jetbrains/kotlin/descriptors/DeclarationDescriptorWithNavigationSubstitute.kt

@@ -0,0 +1,10 @@
+/*
+ * 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.descriptors
+
+interface DeclarationDescriptorWithNavigationSubstitute : DeclarationDescriptor {
+    val substitute: DeclarationDescriptor
+}