java safe delete: don't suggest to delete generated members (IDEA-252043)

GitOrigin-RevId: 8d9647fe88938d87bcb3d9ddb7c698864c9a22da

java/java-impl/src/com/intellij/refactoring/safeDelete/SafeDeleteJavaCalleeChooser.java

@@ -118,6 +118,7 @@ abstract class SafeDeleteJavaCalleeChooser extends CallerChooserBase<PsiElement>
           .stream()
           .filter(m -> !(m instanceof PsiMember) || containingClass.equals(((PsiMember)m).getContainingClass()) && !psiMember.equals(m))
           .filter(m -> !(m instanceof PsiMethod) || ((PsiMethod)m).findDeepestSuperMethods().length == 0)
+          .filter(m -> m.isPhysical())
           .filter(m -> usedOnlyIn(m, psiMember))
           .collect(Collectors.toList());
       }

java/java-tests/testData/refactoring/safeDelete/DeleteMethodKeepEnumValues.java

@@ -0,0 +1,9 @@
+enum Test {
+    A, B;
+    void f<caret>oo() {
+        for (Test v : values()) {
+            System.out.println(v);
+        }
+    }
+
+}

java/java-tests/testData/refactoring/safeDelete/DeleteMethodKeepEnumValues_after.java

@@ -0,0 +1,4 @@
+enum Test {
+    A, B;
+
+}

java/java-tests/testSrc/com/intellij/java/refactoring/SafeDeleteTest.java

@@ -107,6 +107,10 @@ public class SafeDeleteTest extends MultiFileTestCase {
     doSingleFileTest();
   }
 
+  public void testDeleteMethodKeepEnumValues() throws Exception {
+    doSingleFileTest();
+  }
+
   public void testDeleteMethodCascadeRecursive() throws Exception {
     doSingleFileTest();
   }