@Nullable
  public static String getQualifiedName(@NotNull PsiType psiType) {
    final PsiClass psiFieldClass = PsiUtil.resolveClassInType(psiType);
    return psiFieldClass != null ? psiFieldClass.getQualifiedName() : null;
  }
@Nullable
  public static String getQualifiedName(@NotNull PsiType psiType)