Private constructors for index classes

idea/src/org/jetbrains/jet/plugin/stubindex/JetAllShortFunctionNameIndex.java

@@ -28,12 +28,14 @@ import java.util.Collection;
 public class JetAllShortFunctionNameIndex extends StringStubIndexExtension<JetNamedFunction> {
     private static final StubIndexKey<String, JetNamedFunction> KEY = KotlinIndexUtil.createIndexKey(JetAllShortFunctionNameIndex.class);
 
-    private static final JetShortClassNameIndex ourInstance = new JetShortClassNameIndex();
+    private static final JetAllShortFunctionNameIndex ourInstance = new JetAllShortFunctionNameIndex();
 
-    public static JetShortClassNameIndex getInstance() {
+    public static JetAllShortFunctionNameIndex getInstance() {
         return ourInstance;
     }
 
+    private JetAllShortFunctionNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetNamedFunction> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetAnnotationsIndex.java

@@ -34,6 +34,8 @@ public class JetAnnotationsIndex extends StringStubIndexExtension<JetAnnotationE
         return ourInstance;
     }
 
+    private JetAnnotationsIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetAnnotationEntry> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetExtensionFunctionNameIndex.java

@@ -30,6 +30,8 @@ public class JetExtensionFunctionNameIndex extends StringStubIndexExtension<JetN
         return instance;
     }
 
+    private JetExtensionFunctionNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetNamedFunction> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetFullClassNameIndex.java

@@ -34,6 +34,8 @@ public class JetFullClassNameIndex extends StringStubIndexExtension<JetClassOrOb
         return ourInstance;
     }
 
+    private JetFullClassNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetClassOrObject> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetPackageDeclarationIndex.java

@@ -34,6 +34,8 @@ public class JetPackageDeclarationIndex extends StringStubIndexExtension<JetFile
         return ourInstance;
     }
 
+    private JetPackageDeclarationIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetFile> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetShortClassNameIndex.java

@@ -34,6 +34,8 @@ public class JetShortClassNameIndex extends StringStubIndexExtension<JetClassOrO
         return ourInstance;
     }
 
+    private JetShortClassNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetClassOrObject> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetShortFunctionNameIndex.java

@@ -34,6 +34,8 @@ public class JetShortFunctionNameIndex extends StringStubIndexExtension<JetNamed
         return ourInstance;
     }
 
+    private JetShortFunctionNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetNamedFunction> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetShortPropertiesNameIndex.java

@@ -34,6 +34,8 @@ public class JetShortPropertiesNameIndex extends StringStubIndexExtension<JetPro
         return ourInstance;
     }
 
+    private JetShortPropertiesNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetProperty> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetSuperClassIndex.java

@@ -34,6 +34,8 @@ public class JetSuperClassIndex extends StringStubIndexExtension<JetClassOrObjec
         return ourInstance;
     }
 
+    private JetSuperClassIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetClassOrObject> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetTopLevelFunctionsFqnNameIndex.java

@@ -37,6 +37,8 @@ public class JetTopLevelFunctionsFqnNameIndex extends StringStubIndexExtension<J
         return INSTANCE;
     }
 
+    private JetTopLevelFunctionsFqnNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetNamedFunction> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetTopLevelPropertiesFqnNameIndex.java

@@ -34,6 +34,8 @@ public class JetTopLevelPropertiesFqnNameIndex extends StringStubIndexExtension<
         return INSTANCE;
     }
 
+    private JetTopLevelPropertiesFqnNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetProperty> getKey() {

idea/src/org/jetbrains/jet/plugin/stubindex/JetTopLevelShortObjectNameIndex.java

@@ -34,6 +34,8 @@ public class JetTopLevelShortObjectNameIndex extends StringStubIndexExtension<Je
         return ourInstance;
     }
 
+    private JetTopLevelShortObjectNameIndex() {}
+
     @NotNull
     @Override
     public StubIndexKey<String, JetObjectDeclaration> getKey() {