Migrate stub and psi builders by classfiles form IJ repository

compiler/psi/src/org/jetbrains/kotlin/idea/KotlinIconProviderService.java

@@ -13,6 +13,8 @@ import javax.swing.*;
 
 public abstract class KotlinIconProviderService {
     public abstract Icon getFileIcon();
+    public abstract Icon getBuiltInFileIcon();
+
     public abstract Icon getLightVariableIcon(@NotNull PsiModifierListOwner element, int flags);
 
     public static class CompilerKotlinFileIconProviderService extends KotlinIconProviderService {
@@ -21,6 +23,11 @@ public abstract class KotlinIconProviderService {
             return null;
         }
 
+        @Override
+        public Icon getBuiltInFileIcon() {
+            return null;
+        }
+
         @Override
         public Icon getLightVariableIcon(@NotNull PsiModifierListOwner element, int flags) {
             return null;