Implement raw types (de)serialization via special TypeCapabilities

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/DeserializedType.kt

@@ -25,7 +25,7 @@ import org.jetbrains.kotlin.types.LazyType
 import org.jetbrains.kotlin.utils.toReadOnlyList
 
 class DeserializedType(
-        c: DeserializationContext,
+        private val c: DeserializationContext,
         private val typeProto: ProtoBuf.Type
 ) : AbstractLazyType(c.storageManager), LazyType {
     private val typeDeserializer = c.typeDeserializer
@@ -51,6 +51,8 @@ class DeserializedType(
 
     override fun getAnnotations(): Annotations = annotations
 
+    override fun getCapabilities() = c.components.typeCapabilitiesLoader.loadCapabilities(typeProto)
+
     private fun <E: Any> List<E>.getOrNull(index: Int): E? {
         return if (index in indices) this[index] else null
     }

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/TypeCapabilitiesLoader.kt

@@ -0,0 +1,28 @@
+/*
+ * 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.serialization.deserialization
+
+import org.jetbrains.kotlin.serialization.ProtoBuf
+import org.jetbrains.kotlin.types.TypeCapabilities
+
+public abstract class TypeCapabilitiesLoader {
+    public object NONE : TypeCapabilitiesLoader() {
+        override fun loadCapabilities(type: ProtoBuf.Type): TypeCapabilities = TypeCapabilities.NONE
+    }
+
+    public abstract fun loadCapabilities(type: ProtoBuf.Type): TypeCapabilities
+}

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/context.kt

@@ -31,7 +31,8 @@ public class DeserializationComponents(
         public val packageFragmentProvider: PackageFragmentProvider,
         public val localClassResolver: LocalClassResolver,
         public val flexibleTypeCapabilitiesDeserializer: FlexibleTypeCapabilitiesDeserializer,
-        public val fictitiousClassDescriptorFactory: ClassDescriptorFactory
+        public val fictitiousClassDescriptorFactory: ClassDescriptorFactory,
+        public val typeCapabilitiesLoader: TypeCapabilitiesLoader = TypeCapabilitiesLoader.NONE
 ) {
     public val classDeserializer: ClassDeserializer = ClassDeserializer(this)