JetClassObject#getObjectDeclaration() by stub

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetClassObject.java

@@ -20,7 +20,6 @@ import com.intellij.lang.ASTNode;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.jet.JetNodeTypes;
 import org.jetbrains.jet.lang.psi.stubs.PsiJetPlaceHolderStub;
 import org.jetbrains.jet.lang.psi.stubs.elements.JetStubElementTypes;
 import org.jetbrains.jet.lexer.JetTokens;
@@ -41,13 +40,7 @@ public class JetClassObject extends JetDeclarationStub<PsiJetPlaceHolderStub<Jet
 
     @NotNull
     public JetObjectDeclaration getObjectDeclaration() {
-        JetObjectDeclaration objectDeclaration = (JetObjectDeclaration) findChildByType(JetNodeTypes.OBJECT_DECLARATION);
-
-        assert objectDeclaration != null :
-                String.format("It should be impossible to produce class object element without object child:\n %s",
-                              this.getParent().getText());
-
-        return objectDeclaration;
+        return getRequiredStubOrPsiChild(JetStubElementTypes.OBJECT_DECLARATION);
     }
 
     @Nullable @IfNotParsed