@Nullable
  private static StringKind getStringKindByToken(@NotNull PsiElement token) {
    IElementType leafType = token.getNode().getElementType();
    if (leafType == STRING_SQ) {
      return StringKind.SINGLE_QUOTED;
    }
    else if (leafType == STRING_DQ) {
      return StringKind.DOUBLE_QUOTED;
    }
    else if (leafType == STRING_TSQ) {
      return StringKind.TRIPLE_SINGLE_QUOTED;
    }
    else if (leafType == STRING_TDQ) {
      return StringKind.TRIPLE_DOUBLE_QUOTED;
    }
    return getStringKindByContentTokenType(token, leafType);
  }
@Nullable
  private static StringKind getStringKindByToken(@NotNull PsiElement token)