diff --git a/platform/projectModel-api/src/com/intellij/openapi/roots/OrderRootType.java b/platform/projectModel-api/src/com/intellij/openapi/roots/OrderRootType.java
index af67b753eb2c..6fe05ade2034 100644
--- a/platform/projectModel-api/src/com/intellij/openapi/roots/OrderRootType.java
+++ b/platform/projectModel-api/src/com/intellij/openapi/roots/OrderRootType.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2015 JetBrains s.r.o.
+ * Copyright 2000-2016 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.
@@ -17,15 +17,17 @@ package com.intellij.openapi.roots;
 
 import com.intellij.openapi.extensions.ExtensionPointName;
 import com.intellij.openapi.extensions.Extensions;
-import org.jetbrains.annotations.NonNls;
-import org.jetbrains.annotations.NotNull;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 
 /**
  * Root types that can be queried from OrderEntry.
- * @see OrderEntry
+ *
  * @author dsl
+ * @see OrderEntry
  */
 public class OrderRootType {
   private final String myName;
@@ -35,29 +37,30 @@ public class OrderRootType {
 
   protected static PersistentOrderRootType[] ourPersistentOrderRootTypes = new PersistentOrderRootType[0];
 
-  protected OrderRootType(@NonNls String name) {
+  protected OrderRootType(String name) {
     myName = name;
   }
 
   /**
-   * Classpath without output directories for modules.
-   * Includes:
-   * <li>  classes roots for libraries and jdk
-   * <li>  recursively for module dependencies: only exported items
+   * Classpath without output directories for modules. Includes:
+   * <ul>
+   * <li>classes roots for libraries and jdk</li>
+   * <li>recursively for module dependencies: only exported items</li>
+   * </ul>
    */
   public static final OrderRootType CLASSES = new PersistentOrderRootType("CLASSES", "classPath", null, "classPathEntry");
 
   /**
-   * Sources.
-   * Includes:
-   * <li>  production and test source roots for modules
-   * <li>  source roots for libraries and jdk
-   * <li>  recursively for module dependencies: only exported items
+   * Sources. Includes:
+   * <ul>
+   * <li>production and test source roots for modules</li>
+   * <li>source roots for libraries and jdk</li>
+   * <li>recursively for module dependencies: only exported items</li>
+   * </ul>
    */
   public static final OrderRootType SOURCES = new PersistentOrderRootType("SOURCES", "sourcePath", null, "sourcePathEntry");
 
   /**
-   * Documentation.
    * Generic documentation order root type
    */
   public static final OrderRootType DOCUMENTATION = new DocumentationRootType();
@@ -67,19 +70,14 @@ public class OrderRootType {
    * cases if supported by LibraryType.
    */
   public static class DocumentationRootType extends OrderRootType {
-    
     public DocumentationRootType() {
       super("DOCUMENTATION");
     }
-    
+
     @Override
     public boolean skipWriteIfEmpty() {
       return true;
     }
-    
-    public String getSdkRootName() {
-      return "documentation";
-    }
   }
 
   public String name() {
@@ -117,13 +115,13 @@ public class OrderRootType {
 
   protected static <T> T getOrderRootType(final Class<? extends T> orderRootTypeClass) {
     OrderRootType[] rootTypes = Extensions.getExtensions(EP_NAME);
-    for(OrderRootType rootType: rootTypes) {
+    for (OrderRootType rootType : rootTypes) {
       if (orderRootTypeClass.isInstance(rootType)) {
-        //noinspection unchecked
-        return (T)rootType;
+        @SuppressWarnings("unchecked") T t = (T)rootType;
+        return t;
       }
     }
-    assert false : "Root type "+orderRootTypeClass+" not found. All roots: "+ Arrays.asList(rootTypes);
+    assert false : "Root type " + orderRootTypeClass + " not found. All roots: " + Arrays.asList(rootTypes);
     return null;
   }
 
@@ -139,4 +137,4 @@ public class OrderRootType {
   public String toString() {
     return "Root " + name();
   }
-}
+}
\ No newline at end of file