@Contract("null -> true")
  public static boolean isQualifierAccessible(@Nullable PsiExpression qualifierExpression) {
    if (qualifierExpression == null) return true;
    PsiType type = qualifierExpression.getType();
    return type == null || isAccessibleType(type);
  }
@Contract("null -> true")
  public static boolean isQualifierAccessible(@Nullable PsiExpression qualifierExpression)