@Nullable
      private static TextBlockModel create(@Nullable PsiLiteralExpression expression) {
        if (expression == null || !expression.isTextBlock()) return null;
        int baseIndent = getIndent(expression);
        if (baseIndent == -1) return null;
        TextRange range = expression.getTextRange();
        if (range == null) return null;
        return new TextBlockModel(baseIndent, range);
      }
@Nullable
      private static TextBlockModel create(@Nullable PsiLiteralExpression expression)