--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Attribute.java	Tue Aug 26 12:45:28 2014 +0100
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Attribute.java	Wed Aug 27 07:44:00 2014 +0200
@@ -33,6 +33,7 @@
 import javax.lang.model.type.DeclaredType;
 import com.sun.tools.javac.code.Symbol.*;
 import com.sun.tools.javac.util.*;
+import com.sun.tools.javac.util.DefinedBy.Api;
 
 /** An annotation value.
  *
@@ -52,10 +53,12 @@
 
     public abstract void accept(Visitor v);
 
+    @DefinedBy(Api.LANGUAGE_MODEL)
     public Object getValue() {
         throw new UnsupportedOperationException();
     }
 
+    @DefinedBy(Api.LANGUAGE_MODEL)
     public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) {
         throw new UnsupportedOperationException();
     }
@@ -74,12 +77,15 @@
             super(type);
             this.value = value;
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public String toString() {
             return Constants.format(value, type);
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public Object getValue() {
             return Constants.decode(value, type);
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) {
             if (value instanceof String)
                 return v.visitString((String) value, p);
@@ -121,12 +127,15 @@
                                       types.syms.classType.tsym,
                                       Type.noAnnotations);
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public String toString() {
             return classType + ".class";
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public Type getValue() {
             return classType;
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) {
             return v.visitType(classType, p);
         }
@@ -183,6 +192,7 @@
          *     @com.example.foo
          * Omit parens for marker annotations, and omit "value=" when allowed.
          */
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public String toString() {
             StringBuilder buf = new StringBuilder();
             buf.append("@");
@@ -218,18 +228,22 @@
             return null;
         }
 
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public Attribute.Compound getValue() {
             return this;
         }
 
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) {
             return v.visitAnnotation(this, p);
         }
 
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public DeclaredType getAnnotationType() {
             return (DeclaredType) type;
         }
 
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public Map<MethodSymbol, Attribute> getElementValues() {
             Map<MethodSymbol, Attribute> valmap = new LinkedHashMap<>();
             for (Pair<MethodSymbol, Attribute> value : values)
@@ -272,6 +286,7 @@
         }
 
         public void accept(Visitor v) { v.visitArray(this); }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public String toString() {
             StringBuilder buf = new StringBuilder();
             buf.append('{');
@@ -285,9 +300,11 @@
             buf.append('}');
             return buf.toString();
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public List<Attribute> getValue() {
             return List.from(values);
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) {
             return v.visitArray(getValue(), p);
         }
@@ -310,12 +327,15 @@
             this.value = Assert.checkNonNull(value);
         }
         public void accept(Visitor v) { v.visitEnum(this); }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public String toString() {
             return value.enclClass() + "." + value;     // qualified name
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public VarSymbol getValue() {
             return value;
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) {
             return v.visitEnumConstant(value, p);
         }
@@ -326,12 +346,15 @@
             super(type);
         }
         public void accept(Visitor v) { v.visitError(this); }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public String toString() {
             return "<error>";
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public String getValue() {
             return toString();
         }
+        @DefinedBy(Api.LANGUAGE_MODEL)
         public <R, P> R accept(AnnotationValueVisitor<R, P> v, P p) {
             return v.visitString(toString(), p);
         }