如何使用ng-class强制类名称顺序

I am using semantic ui and angular (1.4) ui to build an application. I am experiencing a situation where adding the class names dynamically via angular results in incorrect rendering because ng-class seems to rearrange the class names at will. This is undesirable, because semantic expects certain class name combinations to follow natural/semantic order. Example:I am using semantic ui and angular (1.4) ui to