package org.jetbrains.io;

import org.jetbrains.ide.CustomPortServerManager;

public abstract class CustomPortServerManagerBase extends CustomPortServerManager {
  protected CustomPortService manager;

  @Override
  public void setManager(CustomPortService manager) {
    this.manager = manager;
  }
}
@@ -20,16 +20,59 @@
 ns.io;%0A%0A
+import org.jetbrains.annotations.Nullable;%0A
 import o
@@ -113,16 +113,16 @@
 anager;%0A
-
 %0Apublic 
@@ -198,16 +198,28 @@
 nager %7B%0A
+  @Nullable%0A
   protec
@@ -262,16 +262,16 @@
 verride%0A
-
   public
@@ -287,16 +287,26 @@
 Manager(
+@Nullable 
 CustomPo

fix NPE