@Nullable
  private PsiType getTypeFromClassRef() {
    PsiType qualifierType = PsiImplUtil.getQualifierType(this);

    if (qualifierType == null && !CompileStaticUtil.isCompileStatic(this)) return null;
    return TypesUtil.createJavaLangClassType(qualifierType, this);
  }
@Nullable
  private PsiType getTypeFromClassRef()