public void onValidationOptionValueChanged() {
// Given: validation object has mutually exclusive validation object
PrintfVariablesValidation printfVariablesValidation =
new PrintfVariablesValidation(ValidationId.PRINTF_VARIABLES,
validationMessage);
printfVariablesValidation
.mutuallyExclusive(new PrintfXSIExtensionValidation(
ValidationId.PRINTF_XSI_EXTENSION, validationMessage));
ValidationOptionsPresenter.ValidationOptionValueChangeHandler handler =
presenter.new ValidationOptionValueChangeHandler(
printfVariablesValidation);