private void checkContract(MultiMap<PsiElement, @DialogMessage String> conflictDescriptions, PsiMethod method, boolean override) {
      try {
        ContractConverter.convertContract(method, myChangeInfo);
      }
      catch (ContractConverter.ContractInheritedException e) {
        if (!override) {
          conflictDescriptions.putValue(method, JavaRefactoringBundle.message("changeSignature.contract.converter.can.not.update.annotation", e.getMessage()));
        }
      }
      catch (ContractConverter.ContractConversionException e) {
        conflictDescriptions.putValue(method, JavaRefactoringBundle.message("changeSignature.contract.converter.can.not.update.annotation", e.getMessage()));
      }
    }
private void checkContract(MultiMap<PsiElement, @DialogMessage String> conflictDescriptions, PsiMethod method, boolean override)