* I2CP: Change from the internal pseudo-socket that was

implemented in 0.7.9 to an internal Queue that directly
      passes I2CPMessage objects. For in-JVM clients,
      this eliminates two writer threads per client and
      avoids the serialization/deserialization of I2CP messages.

core/java/src/net/i2p/I2PAppContext.java

@@ -22,6 +22,7 @@ import net.i2p.crypto.SHA256Generator;
 import net.i2p.crypto.SessionKeyManager;
 import net.i2p.crypto.TransientSessionKeyManager;
 import net.i2p.data.RoutingKeyGenerator;
+import net.i2p.internal.InternalClientManager;
 import net.i2p.stat.StatManager;
 import net.i2p.util.Clock;
 import net.i2p.util.ConcurrentHashSet;
@@ -843,4 +844,13 @@ public class I2PAppContext {
     public boolean isRouterContext() {
         return false;
     }
+
+    /**
+     *  Use this to connect to the router in the same JVM.
+     *  @return always null in I2PAppContext, the client manager if in RouterContext
+     *  @since 0.8.3
+     */
+    public InternalClientManager internalClientManager() {
+        return null;
+    }
 }