Index: oak-plugins/src/main/java/org/apache/jackrabbit/oak/nodetype/NodeTypeManager.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-plugins/src/main/java/org/apache/jackrabbit/oak/nodetype/NodeTypeManager.java	(revision )
+++ oak-plugins/src/main/java/org/apache/jackrabbit/oak/nodetype/NodeTypeManager.java	(revision )
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.nodetype;
+
+import java.util.Iterator;
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
+import javax.jcr.RepositoryException;
+
+import org.apache.jackrabbit.oak.api.Tree;
+import org.apache.jackrabbit.oak.spi.nodetype.DefinitionProvider;
+import org.apache.jackrabbit.oak.spi.nodetype.EffectiveNodeTypeProvider;
+
+public interface NodeTypeManager extends EffectiveNodeTypeProvider, DefinitionProvider {
+
+    boolean hasNodeType(@Nonnull String name) throws RepositoryException;
+
+    boolean isNodeType(@Nonnull Tree tree, @Nonnull String name);
+
+    boolean isNodeType(@CheckForNull String primaryTypeName, @Nonnull Iterator<String> mixinTypes,
+                       @Nonnull String nodeTypeName) throws RepositoryException;
+}
\ No newline at end of file
Index: oak-parent/pom.xml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-parent/pom.xml	(revision 1831704)
+++ oak-parent/pom.xml	(revision )
@@ -200,6 +200,7 @@
                   <filter>!org.apache.jackrabbit.oak.blob.cloud.azure.blobstorage</filter>
                   <filter>!org.apache.jackrabbit.oak</filter>
                   <filter>!org.apache.jackrabbit.oak.json</filter>
+                  <filter>!org.apache.jackrabbit.oak.namepath.impl</filter>
                   <filter>!org.apache.jackrabbit.oak.plugins.blob</filter>
                   <filter>!org.apache.jackrabbit.oak.plugins.blob.datastore</filter>
                   <filter>!org.apache.jackrabbit.oak.plugins.commit</filter>
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/name/NamespaceManagementProviderService.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/name/NamespaceManagementProviderService.java	(revision )
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/name/NamespaceManagementProviderService.java	(revision )
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.plugins.name;
+
+import javax.annotation.Nonnull;
+import javax.jcr.NamespaceRegistry;
+
+import org.apache.jackrabbit.oak.api.Root;
+import org.apache.jackrabbit.oak.namespace.NamespaceManagementProvider;
+import org.apache.jackrabbit.oak.spi.commit.EditorProvider;
+import org.osgi.service.component.annotations.Component;
+
+@Component(service = {NamespaceManagementProvider.class}, immediate = true)
+public class NamespaceManagementProviderService implements NamespaceManagementProvider {
+
+    @Override
+    public NamespaceRegistry getReadOnlyNamespaceRegistry(@Nonnull Root root) {
+        return new ReadOnlyNamespaceRegistry(root);
+    }
+
+    @Override
+    public EditorProvider getEditorProvider() {
+        return new NamespaceEditorProvider();
+    }
+}
\ No newline at end of file
Index: oak-plugins/src/main/java/org/apache/jackrabbit/oak/nodetype/NodeTypeManagementProvider.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-plugins/src/main/java/org/apache/jackrabbit/oak/nodetype/NodeTypeManagementProvider.java	(revision )
+++ oak-plugins/src/main/java/org/apache/jackrabbit/oak/nodetype/NodeTypeManagementProvider.java	(revision )
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.nodetype;
+
+import java.io.InputStream;
+import java.util.function.Predicate;
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.oak.api.Root;
+import org.apache.jackrabbit.oak.namepath.NamePathMapper;
+import org.apache.jackrabbit.oak.spi.commit.EditorProvider;
+import org.apache.jackrabbit.oak.spi.state.NodeState;
+import org.osgi.annotation.versioning.ProviderType;
+
+@ProviderType
+public interface NodeTypeManagementProvider {
+
+    @Nonnull
+    NodeTypeManager getReadOnlyNodeTypeManager(@Nonnull Root root, @Nonnull NamePathMapper namePathMapper);
+
+    @Nonnull
+    Predicate<NodeState> getNodeTypePredicate(@Nonnull NodeState node, @Nonnull String... names);
+
+    @Nonnull
+    EditorProvider getEditorProvider(boolean strict);
+
+    void registerNodeTypes(@Nonnull Root root, @Nonnull InputStream input, @Nonnull String systemId);
+
+}
\ No newline at end of file
Index: oak-plugins/src/main/java/org/apache/jackrabbit/oak/identifier/IdentifierManagementProvider.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-plugins/src/main/java/org/apache/jackrabbit/oak/identifier/IdentifierManagementProvider.java	(revision )
+++ oak-plugins/src/main/java/org/apache/jackrabbit/oak/identifier/IdentifierManagementProvider.java	(revision )
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.identifier;
+
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.oak.api.Root;
+import org.osgi.annotation.versioning.ProviderType;
+
+@ProviderType
+public interface IdentifierManagementProvider {
+
+    @Nonnull
+    IdentifierManager getIdentifierManager(@Nonnull Root root);
+
+}
\ No newline at end of file
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/version/VersionManagementProviderService.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/version/VersionManagementProviderService.java	(revision )
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/version/VersionManagementProviderService.java	(revision )
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.plugins.version;
+
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.oak.api.Root;
+import org.apache.jackrabbit.oak.namepath.NamePathMapper;
+import org.apache.jackrabbit.oak.version.VersionManagementProvider;
+import org.apache.jackrabbit.oak.version.VersionManager;
+import org.osgi.service.component.annotations.Component;
+
+@Component(service = {VersionManagementProvider.class}, immediate = true)
+public class VersionManagementProviderService implements VersionManagementProvider {
+
+    @Override
+    public VersionManager getReadOnlyVersionManager(@Nonnull Root root, @Nonnull NamePathMapper namePathMapper) {
+        return ReadOnlyVersionManager.getInstance(root, namePathMapper);
+    }
+}
\ No newline at end of file
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/TypePredicate.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/TypePredicate.java	(revision 1831704)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/TypePredicate.java	(revision )
@@ -18,17 +18,15 @@
 
 import java.util.Arrays;
 import java.util.Set;
-
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 import com.google.common.base.Predicate;
 import com.google.common.collect.Iterables;
-
 import org.apache.jackrabbit.oak.api.Tree;
+import org.apache.jackrabbit.oak.plugins.tree.TreeUtil;
 import org.apache.jackrabbit.oak.spi.state.ChildNodeEntry;
 import org.apache.jackrabbit.oak.spi.state.NodeState;
-import org.apache.jackrabbit.oak.plugins.tree.TreeUtil;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Predicates.in;
@@ -49,7 +47,7 @@
  *
  * @since Oak 0.11
  */
-public class TypePredicate implements Predicate<NodeState> {
+public class TypePredicate implements Predicate<NodeState>, java.util.function.Predicate<NodeState> {
 
     @Nonnull
     public static TypePredicate isOrderable(@Nonnull NodeState root) {
@@ -199,6 +197,13 @@
             }
         }
         return false;
+    }
+
+    //---------------------------------------< java.util.function.Predicate >---
+
+    @Override
+    public boolean test(@Nullable NodeState input) {
+        return apply(input);
     }
 
     //------------------------------------------------------------< Object >--
Index: oak-core/pom.xml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/pom.xml	(revision 1831704)
+++ oak-core/pom.xml	(revision )
@@ -145,6 +145,11 @@
     </dependency>
     <dependency>
       <groupId>org.apache.jackrabbit</groupId>
+      <artifactId>oak-plugins</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.jackrabbit</groupId>
       <artifactId>oak-query-spi</artifactId>
       <version>${project.version}</version>
     </dependency>
Index: oak-it-osgi/pom.xml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-it-osgi/pom.xml	(revision 1831704)
+++ oak-it-osgi/pom.xml	(revision )
@@ -135,6 +135,12 @@
       <version>${project.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.apache.jackrabbit</groupId>
+      <artifactId>oak-plugins</artifactId>
+      <version>${project.version}</version>
+      <scope>test</scope>
+    </dependency>
 
     <dependency>
       <groupId>org.ops4j.pax.exam</groupId>
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/identifier/IdentifierManagementProviderService.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/identifier/IdentifierManagementProviderService.java	(revision )
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/identifier/IdentifierManagementProviderService.java	(revision )
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.plugins.identifier;
+
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.oak.api.Root;
+import org.apache.jackrabbit.oak.identifier.IdentifierManagementProvider;
+import org.apache.jackrabbit.oak.identifier.IdentifierManager;
+import org.osgi.service.component.annotations.Component;
+
+@Component(service = {IdentifierManagementProvider.class}, immediate = true)
+public class IdentifierManagementProviderService implements IdentifierManagementProvider {
+
+    @Override
+    public IdentifierManager getIdentifierManager(@Nonnull Root root) {
+        return new org.apache.jackrabbit.oak.plugins.identifier.IdentifierManager(root);
+    }
+}
\ No newline at end of file
Index: oak-plugins/pom.xml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-plugins/pom.xml	(revision )
+++ oak-plugins/pom.xml	(revision )
@@ -0,0 +1,224 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <parent>
+    <groupId>org.apache.jackrabbit</groupId>
+    <artifactId>oak-parent</artifactId>
+    <version>1.10-SNAPSHOT</version>
+    <relativePath>../oak-parent/pom.xml</relativePath>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>oak-plugins</artifactId>
+  <name>Oak Plugins</name>
+  <packaging>bundle</packaging>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.felix</groupId>
+        <artifactId>maven-bundle-plugin</artifactId>
+        <configuration>
+          <instructions>
+            <Export-Package>
+              org.apache.jackrabbit.oak.identifier,
+              org.apache.jackrabbit.oak.namespace,
+              org.apache.jackrabbit.oak.nodetype,
+              org.apache.jackrabbit.oak.version
+            </Export-Package>
+          </instructions>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.rat</groupId>
+        <artifactId>apache-rat-plugin</artifactId>
+        <configuration>
+          <excludes>
+            <exclude>**/test-file-1.csv</exclude>
+            <exclude>**/test-file-1.txt</exclude>
+            <exclude>**/test-file-2.txt</exclude>
+            <exclude>**/test-file-2.csv</exclude>
+          </excludes>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.felix</groupId>
+        <artifactId>maven-bundle-plugin</artifactId>
+        <version>3.3.0</version>
+        <extensions>true</extensions>
+        <inherited>true</inherited>
+        <dependencies>
+          <dependency>
+            <groupId>org.apache.felix</groupId>
+            <artifactId>org.apache.felix.scr.bnd</artifactId>
+            <version>1.9.0</version>
+            <exclusions>
+              <!--
+                  This SCR plugin pulls in a bnd version with a different artifactId, thus leading
+                  to two bnd artifacts existing at the same time.
+                -->
+              <exclusion>
+                <groupId>biz.aQute.bnd</groupId>
+                <artifactId>bnd</artifactId>
+              </exclusion>
+            </exclusions>
+          </dependency>
+          <dependency>
+            <groupId>biz.aQute.bnd</groupId>
+            <artifactId>biz.aQute.bndlib</artifactId>
+            <version>3.3.0</version>
+          </dependency>
+        </dependencies>
+        <configuration>
+          <exportScr>true</exportScr>
+          <obrRepository>NONE</obrRepository>
+          <instructions>
+            <Bundle-Category>oak</Bundle-Category>
+            <Bundle-DocURL>
+              http://jackrabbit.apache.org/oak/
+            </Bundle-DocURL>
+            <Bundle-Vendor>The Apache Software Foundation</Bundle-Vendor>
+            <!-- Don't default to bundle version for packages without explicit export version.
+                 See FELIX-5172 -->
+            <_nodefaultversion>true</_nodefaultversion>
+            <!-- Support parsing of maven-scr-plugin annotations through the felix.scr.bnd plugin -->
+            <_plugin>org.apache.felix.scrplugin.bnd.SCRDescriptorBndPlugin;destdir=${project.build.outputDirectory};</_plugin>
+          </instructions>
+        </configuration>
+        <executions>
+          <execution>
+            <id>baseline</id>
+            <goals>
+              <goal>baseline</goal>
+            </goals>
+            <phase>pre-integration-test</phase>
+            <configuration>
+              <logResults>false</logResults>
+              <failOnWarning>false</failOnWarning>
+              <failOnError>true</failOnError>
+              <!-- Set the comparisonVersion to last release from stable branch-->
+              <comparisonVersion>1.10-SNAPSHOT</comparisonVersion>
+              <filters>
+                <filter>*</filter>
+              </filters>
+            </configuration>
+          </execution>
+          <!-- Configure extra execution of 'manifest' in process-classes phase to make sure SCR metadata is generated before unit test runs -->
+          <execution>
+            <id>scr-metadata</id>
+            <goals>
+              <goal>manifest</goal>
+            </goals>
+            <configuration>
+              <supportIncrementalBuild>true</supportIncrementalBuild>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+    <!-- Optional OSGi dependencies, used only when running within OSGi -->
+    <dependency>
+      <groupId>org.osgi</groupId>
+      <artifactId>org.osgi.core</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.osgi</groupId>
+      <artifactId>org.osgi.compendium</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.osgi</groupId>
+      <artifactId>org.osgi.annotation</artifactId>
+      <scope>provided</scope>
+    </dependency>
+
+    <!-- JCR and Jackrabbit dependencies -->
+    <dependency>
+      <groupId>javax.jcr</groupId>
+      <artifactId>jcr</artifactId>
+      <version>2.0</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.jackrabbit</groupId>
+      <artifactId>jackrabbit-jcr-commons</artifactId>
+      <version>${jackrabbit.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.jackrabbit</groupId>
+      <artifactId>jackrabbit-api</artifactId>
+      <version>${jackrabbit.version}</version>
+    </dependency>
+
+    <!-- Other Oak module -->
+    <dependency>
+      <groupId>org.apache.jackrabbit</groupId>
+      <artifactId>oak-api</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.jackrabbit</groupId>
+      <artifactId>oak-commons</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.jackrabbit</groupId>
+      <artifactId>oak-core-spi</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.jackrabbit</groupId>
+      <artifactId>oak-store-spi</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+
+    <!-- Logging -->
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+
+    <!-- Findbugs annotations -->
+    <dependency>
+      <groupId>com.google.code.findbugs</groupId>
+      <artifactId>jsr305</artifactId>
+    </dependency>
+
+    <!-- Test dependencies -->
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-core</artifactId>
+      <version>1.10.19</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+</project>
\ No newline at end of file
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/ReadOnlyNodeTypeManager.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/ReadOnlyNodeTypeManager.java	(revision 1831704)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/ReadOnlyNodeTypeManager.java	(revision )
@@ -66,7 +66,7 @@
  * related to node type modifications throw
  * {@link UnsupportedRepositoryOperationException}.
  */
-public abstract class ReadOnlyNodeTypeManager implements NodeTypeManager, EffectiveNodeTypeProvider, DefinitionProvider {
+public abstract class ReadOnlyNodeTypeManager implements NodeTypeManager, org.apache.jackrabbit.oak.nodetype.NodeTypeManager, EffectiveNodeTypeProvider, DefinitionProvider {
 
     /**
      * Returns the internal name for the specified JCR name.
Index: oak-plugins/src/main/java/org/apache/jackrabbit/oak/namespace/NamespaceManagementProvider.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-plugins/src/main/java/org/apache/jackrabbit/oak/namespace/NamespaceManagementProvider.java	(revision )
+++ oak-plugins/src/main/java/org/apache/jackrabbit/oak/namespace/NamespaceManagementProvider.java	(revision )
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.namespace;
+
+import javax.annotation.Nonnull;
+import javax.jcr.NamespaceRegistry;
+
+import org.apache.jackrabbit.oak.api.Root;
+import org.apache.jackrabbit.oak.spi.commit.EditorProvider;
+import org.osgi.annotation.versioning.ProviderType;
+
+@ProviderType
+public interface NamespaceManagementProvider {
+
+    NamespaceRegistry getReadOnlyNamespaceRegistry(@Nonnull Root root);
+
+    EditorProvider getEditorProvider();
+}
\ No newline at end of file
Index: pom.xml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- pom.xml	(revision 1831704)
+++ pom.xml	(revision )
@@ -45,6 +45,7 @@
     <module>oak-security-spi</module>
     <module>oak-store-composite</module>
     <module>oak-store-document</module>
+    <module>oak-plugins</module>
 
     <module>oak-blob-plugins</module>
     <module>oak-blob</module>
Index: oak-it-osgi/test-bundles.xml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-it-osgi/test-bundles.xml	(revision 1831704)
+++ oak-it-osgi/test-bundles.xml	(revision )
@@ -50,6 +50,7 @@
         <include>org.apache.jackrabbit:oak-query-spi</include>
         <include>org.apache.jackrabbit:oak-security-spi</include>
         <include>org.apache.jackrabbit:oak-blob-plugins</include>
+        <include>org.apache.jackrabbit:oak-plugins</include>
         <include>io.dropwizard.metrics:metrics-core</include>
       </includes>
     </dependencySet>
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/namepath/impl/NamePathMapperImpl.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/namepath/impl/NamePathMapperImpl.java	(revision 1831704)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/namepath/impl/NamePathMapperImpl.java	(revision )
@@ -28,7 +28,7 @@
 import org.apache.jackrabbit.oak.namepath.JcrPathParser.Listener;
 import org.apache.jackrabbit.oak.namepath.NameMapper;
 import org.apache.jackrabbit.oak.namepath.NamePathMapper;
-import org.apache.jackrabbit.oak.plugins.identifier.IdentifierManager;
+import org.apache.jackrabbit.oak.identifier.IdentifierManager;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -48,6 +48,11 @@
     public NamePathMapperImpl(NameMapper nameMapper) {
         this.nameMapper = nameMapper;
         this.idManager = null;
+    }
+
+    public NamePathMapperImpl(NameMapper nameMapper, org.apache.jackrabbit.oak.plugins.identifier.IdentifierManager idManager) {
+        this.nameMapper = nameMapper;
+        this.idManager = idManager;
     }
 
     public NamePathMapperImpl(NameMapper nameMapper, IdentifierManager idManager) {
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/version/ReadOnlyVersionManager.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/version/ReadOnlyVersionManager.java	(revision 1831704)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/version/ReadOnlyVersionManager.java	(revision )
@@ -35,6 +35,7 @@
 import org.apache.jackrabbit.oak.plugins.tree.factories.TreeFactory;
 import org.apache.jackrabbit.oak.spi.state.NodeState;
 import org.apache.jackrabbit.oak.plugins.tree.TreeUtil;
+import org.apache.jackrabbit.oak.version.VersionManager;
 import org.apache.jackrabbit.oak.spi.version.VersionConstants;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -45,7 +46,7 @@
  * {@code ReadOnlyVersionManager} provides implementations for read-only
  * version operations modeled after the ones available in {@link javax.jcr.version.VersionManager}.
  */
-public abstract class ReadOnlyVersionManager {
+public abstract class ReadOnlyVersionManager implements VersionManager {
 
     private static final Logger log = LoggerFactory.getLogger(ReadOnlyVersionManager.class);
 
@@ -104,6 +105,11 @@
         };
     }
 
+    @Override
+    public boolean isVersionStorageTree(@Nonnull Tree tree) {
+        return isVersionStoreTree(tree);
+    }
+
     /**
      * Returns {@code true} if the tree is checked out; otherwise
      * {@code false}. The root node is always considered checked out.
@@ -111,6 +117,7 @@
      * @param tree the tree to check.
      * @return whether the tree is checked out or not.
      */
+    @Override
     public boolean isCheckedOut(@Nonnull Tree tree) {
         if (checkNotNull(tree).exists()) {
             PropertyState p = tree.getProperty(VersionConstants.JCR_ISCHECKEDOUT);
@@ -145,6 +152,7 @@
      * @throws RepositoryException if an error occurs while checking the node
      *                             type of the tree.
      */
+    @Override
     @CheckForNull
     public Tree getVersionHistory(@Nonnull Tree versionable)
             throws UnsupportedRepositoryOperationException,
@@ -160,6 +168,7 @@
      * @param uuid the uuid of the version tree.
      * @return the version tree or {@code null} if there is none.
      */
+    @Override
     @CheckForNull
     public Tree getVersion(@Nonnull String uuid) {
         return getIdentifierManager().getTree(uuid);
@@ -173,6 +182,7 @@
      * @param uuid the uuid of the versionable node
      * @return the relative path of the version history for the given uuid.
      */
+    @Override
     @Nonnull
     public String getVersionHistoryPath(@Nonnull String uuid) {
         String relPath = "";
@@ -196,6 +206,7 @@
      * @throws RepositoryException if an error occurs while checking the node
      *                             type of the tree.
      */
+    @Override
     @CheckForNull
     public Tree getBaseVersion(@Nonnull Tree versionable)
             throws UnsupportedRepositoryOperationException,
@@ -255,6 +266,7 @@
      *
      * @see VersionConstants#MIX_REP_VERSIONABLE_PATHS
      */
+    @Override
     @CheckForNull
     public Tree getVersionable(@Nonnull Tree versionTree, @Nonnull String workspaceName) {
         Root root = getWorkspaceRoot();
Index: oak-plugins/src/main/java/org/apache/jackrabbit/oak/version/VersionManager.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-plugins/src/main/java/org/apache/jackrabbit/oak/version/VersionManager.java	(revision )
+++ oak-plugins/src/main/java/org/apache/jackrabbit/oak/version/VersionManager.java	(revision )
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.jackrabbit.oak.version;
+
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
+import javax.jcr.RepositoryException;
+import javax.jcr.UnsupportedRepositoryOperationException;
+
+import org.apache.jackrabbit.oak.api.Tree;
+import org.osgi.annotation.versioning.ProviderType;
+
+@ProviderType
+public interface VersionManager {
+
+    boolean isVersionStorageTree(@Nonnull Tree tree);
+
+    boolean isCheckedOut(@Nonnull Tree tree);
+
+    @CheckForNull
+    Tree getVersionHistory(@Nonnull Tree versionable) throws UnsupportedRepositoryOperationException, RepositoryException;
+
+    @CheckForNull
+    Tree getVersion(@Nonnull String uuid);
+
+    @Nonnull
+    String getVersionHistoryPath(@Nonnull String uuid);
+
+    @CheckForNull
+    Tree getBaseVersion(@Nonnull Tree versionable) throws UnsupportedRepositoryOperationException, RepositoryException;
+
+    @CheckForNull
+    Tree getVersionable(@Nonnull Tree versionTree, @Nonnull String workspaceName);
+}
Index: oak-plugins/src/main/java/org/apache/jackrabbit/oak/identifier/IdentifierManager.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-plugins/src/main/java/org/apache/jackrabbit/oak/identifier/IdentifierManager.java	(revision )
+++ oak-plugins/src/main/java/org/apache/jackrabbit/oak/identifier/IdentifierManager.java	(revision )
@@ -0,0 +1,113 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.identifier;
+
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import org.apache.jackrabbit.oak.api.PropertyState;
+import org.apache.jackrabbit.oak.api.PropertyValue;
+import org.apache.jackrabbit.oak.api.Tree;
+
+public interface IdentifierManager {
+
+    /**
+     * Return the identifier of a tree.
+     *
+     * @param tree  a tree
+     * @return identifier of {@code tree}
+     */
+    @Nonnull
+    String getIdentifierFromTree(Tree tree);
+
+    /**
+     * The possibly non existing tree identified by the specified {@code identifier} or {@code null}.
+     *
+     * @param identifier The identifier of the tree such as exposed by {@link #getIdentifier(Tree)}
+     * @return The tree with the given {@code identifier} or {@code null} if no
+     *         such tree exists.
+     */
+    @CheckForNull
+    Tree getTree(@Nonnull String identifier);
+
+    /**
+     * The path of the tree identified by the specified {@code identifier} or {@code null}.
+     *
+     * @param identifier The identifier of the tree such as exposed by {@link #getIdentifier(Tree)}
+     * @return The path of the tree with the given {@code identifier} or {@code null} if no
+     *         such tree exists or if the tree is not accessible.
+     */
+    @CheckForNull
+    String getPath(@Nonnull String identifier);
+
+    /**
+     * Returns the path of the tree references by the specified (weak)
+     * reference {@code PropertyState}.
+     *
+     * @param referenceValue A (weak) reference value.
+     * @return The tree with the given {@code identifier} or {@code null} if no
+     *         such tree exists or isn't accessible to the content session.
+     */
+    @CheckForNull
+    String getPath(@Nonnull PropertyState referenceValue);
+
+    /**
+     * Returns the path of the tree references by the specified (weak)
+     * reference {@code PropertyState}.
+     *
+     * @param referenceValue A (weak) reference value.
+     * @return The tree with the given {@code identifier} or {@code null} if no
+     *         such tree exists or isn't accessible to the content session.
+     */
+    @CheckForNull
+    String getPath(@Nonnull PropertyValue referenceValue);
+
+    /**
+     * Searches all reference properties to the specified {@code tree} that match
+     * the given name and node type constraints.
+     *
+     * @param weak          if {@code true} only weak references are returned. Otherwise only
+     *                      hard references are returned.
+     * @param tree          The tree for which references should be searched.
+     * @param propertyName  A name constraint for the reference properties;
+     *                      {@code null} if no constraint should be enforced.
+     * @return A set of oak paths of those reference properties referring to the
+     *         specified {@code tree} and matching the constraints.
+     */
+    @Nonnull
+    Iterable<String> getReferences(boolean weak, @Nonnull Tree tree, @Nullable final String propertyName);
+
+    /**
+     * Searches all reference properties to the specified {@code tree} that match
+     * the given {@code propertyName} and the specified, mandatory node type
+     * constraint ({@code ntName}). In contrast to {@link #getReferences} this
+     * method requires all parameters to be specified, which eases the handling
+     * of the result set and doesn't require the trees associated with the
+     * result set to be resolved.
+     *
+     * @param tree The tree for which references should be searched.
+     * @param propertyName The name of the reference properties.
+     * @param ntName The node type name to be used for the query.
+     * @param weak if {@code true} only weak references are returned. Otherwise on hard references are returned.
+     * @return A set of oak paths of those reference properties referring to the
+     *         specified {@code tree} and matching the constraints.
+     */
+    @Nonnull
+    public Iterable<String> getReferences(@Nonnull Tree tree, @Nonnull final String propertyName,
+                                          @Nonnull String ntName, boolean weak);
+}
\ No newline at end of file
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/NodeTypeManagementProviderService.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/NodeTypeManagementProviderService.java	(revision )
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/nodetype/NodeTypeManagementProviderService.java	(revision )
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.plugins.nodetype;
+
+import java.io.InputStream;
+import java.util.function.Predicate;
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.oak.api.Root;
+import org.apache.jackrabbit.oak.namepath.NamePathMapper;
+import org.apache.jackrabbit.oak.nodetype.NodeTypeManagementProvider;
+import org.apache.jackrabbit.oak.nodetype.NodeTypeManager;
+import org.apache.jackrabbit.oak.plugins.nodetype.write.NodeTypeRegistry;
+import org.apache.jackrabbit.oak.spi.commit.EditorProvider;
+import org.apache.jackrabbit.oak.spi.state.NodeState;
+import org.osgi.service.component.annotations.Component;
+
+@Component(service = {NodeTypeManagementProvider.class}, immediate = true)
+public class NodeTypeManagementProviderService implements NodeTypeManagementProvider {
+
+    @Nonnull
+    @Override
+    public NodeTypeManager getReadOnlyNodeTypeManager(@Nonnull Root root, @Nonnull NamePathMapper namePathMapper) {
+        return ReadOnlyNodeTypeManager.getInstance(root, namePathMapper);
+    }
+
+    @Nonnull
+    @Override
+    public Predicate<NodeState> getNodeTypePredicate(@Nonnull NodeState node, @Nonnull String... names) {
+        return new TypePredicate(node, names);
+    }
+
+    @Nonnull
+    @Override
+    public EditorProvider getEditorProvider(boolean strict) {
+        return new TypeEditorProvider(strict);
+    }
+
+    @Override
+    public void registerNodeTypes(@Nonnull Root root, @Nonnull InputStream input, @Nonnull String systemId) {
+        NodeTypeRegistry.register(root, input, systemId);
+    }
+}
\ No newline at end of file
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/identifier/IdentifierManager.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/identifier/IdentifierManager.java	(revision 1831704)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/identifier/IdentifierManager.java	(revision )
@@ -61,7 +61,7 @@
 /**
  * TODO document
  */
-public class IdentifierManager {
+public class IdentifierManager implements org.apache.jackrabbit.oak.identifier.IdentifierManager {
 
     private static final Logger log = LoggerFactory.getLogger(IdentifierManager.class);
 
@@ -115,6 +115,12 @@
         }
     }
 
+    @Nonnull
+    @Override
+    public String getIdentifierFromTree(Tree tree) {
+        return getIdentifier(tree);
+    }
+
     /**
      * The possibly non existing tree identified by the specified {@code identifier} or {@code null}.
      *
@@ -123,6 +129,7 @@
      *         such tree exists.
      */
     @CheckForNull
+    @Override
     public Tree getTree(String identifier) {
         if (identifier.startsWith("/")) {
             return root.getTree(identifier);
@@ -153,6 +160,7 @@
      *         such tree exists or if the tree is not accessible.
      */
     @CheckForNull
+    @Override
     public String getPath(String identifier) {
         Tree tree = getTree(identifier);
         return tree != null && tree.exists()
@@ -169,6 +177,7 @@
      *         such tree exists or isn't accessible to the content session.
      */
     @CheckForNull
+    @Override
     public String getPath(PropertyState referenceValue) {
         int type = referenceValue.getType().tag();
         if (type == PropertyType.REFERENCE || type == PropertyType.WEAKREFERENCE) {
@@ -187,6 +196,7 @@
      *         such tree exists or isn't accessible to the content session.
      */
     @CheckForNull
+    @Override
     public String getPath(PropertyValue referenceValue) {
         int type = referenceValue.getType().tag();
         if (type == PropertyType.REFERENCE || type == PropertyType.WEAKREFERENCE) {
@@ -209,6 +219,7 @@
      *         specified {@code tree} and matching the constraints.
      */
     @Nonnull
+    @Override
     public Iterable<String> getReferences(boolean weak, @Nonnull Tree tree, @Nullable final String propertyName) {
         if (!effectiveNodeTypeProvider.isNodeType(tree, JcrConstants.MIX_REFERENCEABLE)) {
             return Collections.emptySet(); // shortcut
@@ -301,6 +312,7 @@
      *         specified {@code tree} and matching the constraints.
      */
     @Nonnull
+    @Override
     public Iterable<String> getReferences(@Nonnull Tree tree, @Nonnull final String propertyName,
                                           @Nonnull String ntName, boolean weak) {
         if (!effectiveNodeTypeProvider.isNodeType(tree, JcrConstants.MIX_REFERENCEABLE)) {
\ No newline at end of file
Index: oak-plugins/src/main/java/org/apache/jackrabbit/oak/version/VersionManagementProvider.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-plugins/src/main/java/org/apache/jackrabbit/oak/version/VersionManagementProvider.java	(revision )
+++ oak-plugins/src/main/java/org/apache/jackrabbit/oak/version/VersionManagementProvider.java	(revision )
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.oak.version;
+
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.oak.api.Root;
+import org.apache.jackrabbit.oak.namepath.NamePathMapper;
+import org.osgi.annotation.versioning.ProviderType;
+
+@ProviderType
+public interface VersionManagementProvider {
+
+    @Nonnull
+    VersionManager getReadOnlyVersionManager(@Nonnull Root root, @Nonnull NamePathMapper namePathMapper);
+}
\ No newline at end of file