if (fMethod.isConstructor()) result.addFatalError("This refactoring is not implemented for constructors");
	public RefactoringStatus checkPreactivation() throws JavaModelException{		RefactoringStatus result= new RefactoringStatus();		result.merge(Checks.checkAvailability(fMethod));		if (fOldParameterNames == null || fOldParameterNames.length < 2)			result.addFatalError(RefactoringCoreMessages.getString("ReorderParametersRefactoring.too_few_parameters"));  //$NON-NLS-1$				return result;	}