Retain writeReplace in RemoveUnusedPrivateMethods

Author: timtebeek

src/main/java/org/openrewrite/staticanalysis/RemoveUnusedPrivateMethods.java

@@ -90,6 +90,7 @@ private boolean unusedWarningsSuppressed(J classDeclaration) {
                             case "readObjectNoData":
                             case "readResolve":
                             case "writeObject":
+                            case "writeReplace":
                                 return m;
                         }
                     }
@@ -125,5 +126,4 @@ private boolean unusedWarningsSuppressed(J classDeclaration) {
         };
         return Preconditions.check(new NoMissingTypes(), Repeat.repeatUntilStable(visitor));
     }
-
 }

src/test/java/org/openrewrite/staticanalysis/RemoveUnusedPrivateMethodsTest.java

@@ -112,8 +112,10 @@ void doNotRemoveCustomizedSerialization() {
             """
               class Test implements java.io.Serializable {
                   private void writeObject(java.io.ObjectOutputStream out) {}
+                  private Object writeReplace() {}
                   private void readObject(java.io.ObjectInputStream in) {}
                   private void readObjectNoData() {}
+                  private Object readResolve() {}
               }
               """
           )