@Override
  public PsiElement copy() {
    if (myClassName != null) {
      if (myContext != null) {
        return new LightClassReference(myManager, myText, myClassName, mySubstitutor, myContext);
      }
      else{
        return new LightClassReference(myManager, myText, myClassName, mySubstitutor, myResolveScope, null, null);
      }
    }
    else {
      return new LightClassReference(myManager, myText, myRefClass, mySubstitutor);
    }
  }
@Override
  public PsiElement copy()