Index: src/main/java/org/springframework/webflow/conversation/impl/JdkConcurrentConversationLock.java
===================================================================
--- src/main/java/org/springframework/webflow/conversation/impl/JdkConcurrentConversationLock.java	(revision 12756)
+++ src/main/java/org/springframework/webflow/conversation/impl/JdkConcurrentConversationLock.java	(working copy)
@@ -27,7 +27,7 @@
  * 
  * @author Keith Donald
  */
-class JdkConcurrentConversationLock implements ConversationLock {
+public class JdkConcurrentConversationLock implements ConversationLock {
 
 	private Lock lock = new ReentrantLock();
 
Index: src/main/java/org/springframework/webflow/conversation/impl/ContainedConversation.java
===================================================================
--- src/main/java/org/springframework/webflow/conversation/impl/ContainedConversation.java	(revision 12756)
+++ src/main/java/org/springframework/webflow/conversation/impl/ContainedConversation.java	(working copy)
@@ -33,7 +33,7 @@
  * 
  * @author Erwin Vervaet
  */
-class ContainedConversation implements Conversation, Serializable {
+public class ContainedConversation implements Conversation, Serializable {
 
 	private static final Log logger = LogFactory.getLog(SessionBindingConversationManager.class);
 
@@ -45,6 +45,14 @@
 
 	private Map attributes;
 
+	protected void setContainer(ConversationContainer container) {
+		this.container = container;
+	}
+
+	protected void setId(ConversationId id) {
+		this.id = id;
+	}
+
 	/**
 	 * Create a new contained conversation.
 	 * @param container the container containing the conversation
Index: src/main/java/org/springframework/webflow/conversation/impl/ConversationContainer.java
===================================================================
--- src/main/java/org/springframework/webflow/conversation/impl/ConversationContainer.java	(revision 12756)
+++ src/main/java/org/springframework/webflow/conversation/impl/ConversationContainer.java	(working copy)
@@ -34,7 +34,7 @@
  * 
  * @author Erwin Vervaet
  */
-class ConversationContainer implements Serializable {
+public class ConversationContainer implements Serializable {
 
 	/**
 	 * Maximum number of conversations in this container. -1 for unlimited.
@@ -89,7 +89,7 @@
 	 */
 	public synchronized Conversation createConversation(ConversationParameters parameters,
 			ConversationLockFactory lockFactory) {
-		ContainedConversation conversation = new ContainedConversation(this, nextId(), lockFactory.createLock());
+		ContainedConversation conversation = newContainedConversation(nextId(), lockFactory.createLock());
 		conversation.putAttribute("name", parameters.getName());
 		conversation.putAttribute("caption", parameters.getCaption());
 		conversation.putAttribute("description", parameters.getDescription());
@@ -144,4 +144,14 @@
 	private boolean maxExceeded() {
 		return maxConversations > 0 && conversations.size() > maxConversations;
 	}
+
+	protected List getConversations() {
+		return conversations;
+	}
+
+	// hook methods
+
+	protected ContainedConversation newContainedConversation(ConversationId id, ConversationLock lock) {
+		return new ContainedConversation(this, id, lock);
+	}
 }
\ No newline at end of file
Index: src/main/java/org/springframework/webflow/conversation/impl/SessionBindingConversationManager.java
===================================================================
--- src/main/java/org/springframework/webflow/conversation/impl/SessionBindingConversationManager.java	(revision 12756)
+++ src/main/java/org/springframework/webflow/conversation/impl/SessionBindingConversationManager.java	(working copy)
@@ -136,7 +136,7 @@
 	 * Obtain the conversation container from the session. Create a new empty container and add it to the session if no
 	 * existing container can be found.
 	 */
-	private ConversationContainer getConversationContainer() {
+	protected ConversationContainer getConversationContainer() {
 		SharedAttributeMap sessionMap = ExternalContextHolder.getExternalContext().getSessionMap();
 		synchronized (sessionMap.getMutex()) {
 			ConversationContainer container = (ConversationContainer) sessionMap.get(sessionKey);
Index: src/main/java/org/springframework/webflow/conversation/impl/NoOpConversationLock.java
===================================================================
--- src/main/java/org/springframework/webflow/conversation/impl/NoOpConversationLock.java	(revision 12756)
+++ src/main/java/org/springframework/webflow/conversation/impl/NoOpConversationLock.java	(working copy)
@@ -23,7 +23,7 @@
  * 
  * @author Keith Donald
  */
-class NoOpConversationLock implements ConversationLock {
+public class NoOpConversationLock implements ConversationLock {
 
 	/**
 	 * The singleton instance.
Index: src/main/java/org/springframework/webflow/conversation/impl/JdkBackportConcurrentConversationLock.java
===================================================================
--- src/main/java/org/springframework/webflow/conversation/impl/JdkBackportConcurrentConversationLock.java	(revision 12756)
+++ src/main/java/org/springframework/webflow/conversation/impl/JdkBackportConcurrentConversationLock.java	(working copy)
@@ -27,7 +27,7 @@
  * @author Keith Donald
  * @author Rob Harrop
  */
-class JdkBackportConcurrentConversationLock implements ConversationLock {
+public class JdkBackportConcurrentConversationLock implements ConversationLock {
 
 	private Lock lock = new ReentrantLock();
 
Index: src/main/java/org/springframework/webflow/conversation/impl/ConversationLockFactory.java
===================================================================
--- src/main/java/org/springframework/webflow/conversation/impl/ConversationLockFactory.java	(revision 12756)
+++ src/main/java/org/springframework/webflow/conversation/impl/ConversationLockFactory.java	(working copy)
@@ -25,7 +25,7 @@
  * @author Keith Donald
  * @author Rob Harrop
  */
-class ConversationLockFactory {
+public class ConversationLockFactory {
 
 	private static final Log logger = LogFactory.getLog(ConversationLockFactory.class);