AS change signature (IDEA-26353) in progres

java/java-impl/src/com/intellij/refactoring/changeSignature/JavaChangeSignatureDialog.java

@@ -347,11 +347,6 @@ public class JavaChangeSignatureDialog extends ChangeSignatureDialogBase<Paramet
     return null;
   }
 
-  @Override
-  protected boolean isResolvableType(ParameterInfoImpl info, MethodDescriptor<ParameterInfoImpl> method) {
-    return RefactoringUtil.isResolvableType(info.createType(myMethod.getMethod(), PsiManager.getInstance(myProject)));
-  }
-
   @Override
   protected String calculateSignature() {
     return doCalculateSignature(myMethod.getMethod());

java/java-impl/src/com/intellij/refactoring/changeSignature/JavaMethodDescriptor.java

@@ -82,4 +82,14 @@ public class JavaMethodDescriptor implements MethodDescriptor<ParameterInfoImpl>
     PsiClass containingClass = myMethod.getContainingClass();
     return containingClass != null && !containingClass.isInterface();
   }
+
+  @Override
+  public boolean canChangeParameters() {
+    return true;
+  }
+
+  @Override
+  public boolean canChangeReturnType() {
+    return true;
+  }
 }