diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTAliasDeclaration.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTAliasDeclaration.java
index 9cc57d8e179..04e6d5beedf 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTAliasDeclaration.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTAliasDeclaration.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2012 Institute for Software, HSR Hochschule fuer Technik  
+ * Copyright (c) 2012 Institute for Software, HSR Hochschule fuer Technik
  * Rapperswil, University of applied sciences.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -19,19 +19,20 @@ import org.eclipse.cdt.core.dom.ast.IASTNameOwner;
 /**
  * This interface represents a C++ alias declaration.
  * e.g. struct Type {}; using Alias = Type;
- * 
+ *
+ * Experimental API. May change without notice.
  * @noextend This interface is not intended to be extended by clients.
  * @noimplement This interface is not intended to be implemented by clients.
  */
 public interface ICPPASTAliasDeclaration extends IASTDeclaration, IASTNameOwner {
-	public static final ICPPASTAliasDeclaration[] EMPTY_USINGDIRECTIVE_ARRAY = new ICPPASTAliasDeclaration[0];
+	public static final ICPPASTAliasDeclaration[] EMPTY_USINGDIRECTIVE_ARRAY = {};
 
 	/**
 	 * <code>ALIAS_NAME</code> is the name that is brought into local
 	 * scope.
 	 */
 	public static final ASTNodeProperty ALIAS_NAME = new ASTNodeProperty(
-			"ICPPASTAliasDeclaration.ALIAS_NAME - New alias name introduced"); //$NON-NLS-1$
+			"ICPPASTAliasDeclaration.ALIAS_NAME - Introduced alias name"); //$NON-NLS-1$
 
 	/**
 	 * <code>MAPPING_TYPE<ID/code> represents the pre-existing type id which
@@ -39,37 +40,35 @@ public interface ICPPASTAliasDeclaration extends IASTDeclaration, IASTNameOwner
 	 */
 	public static final ASTNodeProperty TARGET_TYPEID = new ASTNodeProperty(
 			"ICPPASTAliasDeclaration.TARGET_TYPEID - Pre-existing type ID the new symbol aliases"); //$NON-NLS-1$
-	
+
 	/**
 	 * Get the alias name.
-	 * 
+	 *
 	 * @return <code>IASTName</code>
 	 */
 	public IASTName getAlias();
-	
+
 	/**
 	 * Set the alias name.
-	 * 
-	 * @param aliasName
-	 *            <code>IASTName</code>
+	 *
+	 * @param aliasName <code>IASTName</code>
 	 */
 	public void setAlias(IASTName aliasName);
 
 	/**
 	 * Get the mapping type id.
-	 * 
+	 *
 	 * @return <code>ICPPASTTypeId</code>
 	 */
 	public ICPPASTTypeId getMappingTypeId();
 
 	/**
 	 * Set the mapping type id.
-	 * 
-	 * @param mappingTypeId
-	 *            <code>ICPPASTTypeId</code>
+	 *
+	 * @param mappingTypeId <code>ICPPASTTypeId</code>
 	 */
 	public void setMappingTypeId(ICPPASTTypeId mappingTypeId);
-	
+
 	@Override
 	public ICPPASTAliasDeclaration copy();